{
  "conflicts": [],
  "coverage": {
    "cells": {
      "MBP-closed-maltose": {
        "af_prediction": 0,
        "cryoem": 17,
        "force_spectroscopy": 0,
        "md": 0,
        "nmr_shifts": 0,
        "nmr_structure": 0,
        "saxs_sans": 0,
        "xray": 263
      },
      "MBP-open-apo": {
        "af_prediction": 0,
        "cryoem": 130,
        "force_spectroscopy": 0,
        "md": 0,
        "nmr_shifts": 0,
        "nmr_structure": 0,
        "saxs_sans": 0,
        "xray": 116
      }
    },
    "data_levels": {
      "MBP-closed-maltose": {
        "cryoem": "processed",
        "xray": "processed"
      },
      "MBP-open-apo": {
        "cryoem": "processed",
        "xray": "processed"
      }
    },
    "single_method_states": [],
    "states": [
      "MBP-open-apo",
      "MBP-closed-maltose"
    ],
    "techniques": [
      "xray",
      "cryoem",
      "nmr_structure",
      "nmr_shifts",
      "saxs_sans",
      "force_spectroscopy",
      "af_prediction",
      "md"
    ],
    "unmapped_evidence": 40
  },
  "curation": {
    "as_of": "2026-10-19",
    "curator": "draft (unreviewed)",
    "file": "P0AEX9.yaml",
    "status": "draft"
  },
  "evidence": [
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": 16.85
      },
      "construct": {
        "description": "MALE-B363 (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1A7L",
      "evidence_id": "EV-PDB-1A7L-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "1A7L",
        "doi": "10.1006/jmbi.1998.1866",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1A7L"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "DOMINANT B-CELL EPITOPE FROM THE PRES2 REGION OF HEPATITIS B VIRUS IN THE FORM OF AN INSERTED PEPTIDE SEGMENT IN MALTODEXTRIN-BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": 13.85
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1ANF",
      "evidence_id": "EV-PDB-1ANF-1",
      "mappings": [
        {
          "confidence": "high",
          "justification": "Maltose-bound closed structure; representative for the closed state.",
          "rule": "curator_assignment",
          "state_id": "MBP-closed-maltose",
          "who": "curator:draft (unreviewed)"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.67
      },
      "provenance": {
        "deposit_id": "1ANF",
        "doi": "10.1016/S0969-2126(97)00253-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1ANF"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN BINDING PROTEIN WITH BOUND MALTOSE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-sorbitol"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1FQA",
      "evidence_id": "EV-PDB-1FQA-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "1FQA",
        "doi": "10.1006/jmbi.2001.4456",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1FQA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF MALTOTETRAITOL BOUND TO OPEN-FORM MALTODEXTRIN BINDING PROTEIN IN P2(1)CRYSTAL FORM"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-D-glucose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1FQC",
      "evidence_id": "EV-PDB-1FQC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "1FQC",
        "doi": "10.1006/jmbi.2001.4456",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1FQC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "CRYSTAL STRUCTURE OF MALTOTRIOTOL BOUND TO CLOSED-FORM MALTODEXTRIN BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-D-glucose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1FQD",
      "evidence_id": "EV-PDB-1FQD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "1FQD",
        "doi": "10.1006/jmbi.2001.4456",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1FQD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "CRYSTAL STRUCTURE OF MALTOTETRAITOL BOUND TO CLOSED-FORM MALTODEXTRIN BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1JVX",
      "evidence_id": "EV-PDB-1JVX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "1JVX",
        "doi": "10.1093/protein/15.11.895",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1JVX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Maltodextrin-binding protein variant D207C/A301GS/P316C cross-linked in crystal"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1JVY",
      "evidence_id": "EV-PDB-1JVY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "1JVY",
        "doi": "10.1093/protein/15.11.895",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1JVY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Maltodextrin-binding protein variant D207C/A301GS/P316C with beta-mercaptoethanol mixed disulfides"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PROTEIN MUTANT MALE31 (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1LAX",
      "evidence_id": "EV-PDB-1LAX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.85
      },
      "provenance": {
        "deposit_id": "1LAX",
        "doi": "10.1110/ps.0235103",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1LAX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "CRYSTAL STRUCTURE OF MALE31, A DEFECTIVE FOLDING MUTANT OF MALTOSE-BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "XE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1LLS",
      "evidence_id": "EV-PDB-1LLS-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "1LLS",
        "doi": "10.1016/S0022-2836(02)00739-8",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1LLS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "CRYSTAL STRUCTURE OF UNLIGANDED MALTOSE BINDING PROTEIN WITH XENON"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "MALTODEXTRIN BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MDQ",
      "evidence_id": "EV-PDB-1MDQ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "1MDQ",
        "doi": "10.1006/jmbi.1994.0059",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MDQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "REFINED STRUCTURES OF TWO INSERTION(SLASH)DELETION MUTANTS PROBE FUNCTION OF THE MALTODEXTRIN BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.7,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "PROTEIN (HTLV-1 GP21 ECTODOMAIN/MALTOSE-BINDING PROTEIN CHIMERA) (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MG1",
      "evidence_id": "EV-PDB-1MG1-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "1MG1",
        "doi": "10.1073/pnas.96.8.4319",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MG1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "HTLV-1 GP21 ECTODOMAIN/MALTOSE-BINDING PROTEIN CHIMERA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MPB",
      "evidence_id": "EV-PDB-1MPB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "1MPB",
        "doi": "10.1006/jmbi.1996.0646",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MPB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN-BINDING PROTEIN (MALTOSE-BINDING PROTEIN) MUTANT, WITH ARGININE REPLACING TRYPTOPHAN AT POSITION 230 (TRP-230-ARG)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MPC",
      "evidence_id": "EV-PDB-1MPC-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "1MPC",
        "doi": "10.1006/jmbi.1996.0646",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MPC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN-BINDING PROTEIN (MALTOSE-BINDING PROTEIN) MUTANT, WITH ARGININE REPLACING TRYPTOPHAN AT POSITION 230 (TRP-230-ARG)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1NL5",
      "evidence_id": "EV-PDB-1NL5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "1NL5",
        "doi": "10.1074/jbc.M301004200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1NL5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Engineered High-affinity Maltose-Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1NMU",
      "evidence_id": "EV-PDB-1NMU-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.31
      },
      "provenance": {
        "deposit_id": "1NMU",
        "doi": "10.1016/S0022-2836(02)01476-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1NMU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-L30"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "D-MALTODEXTRIN BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1OMP",
      "evidence_id": "EV-PDB-1OMP-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "1OMP",
        "doi": "10.1021/bi00159a003",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1OMP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "CRYSTALLOGRAPHIC EVIDENCE OF A LARGE LIGAND-INDUCED HINGE-TWIST MOTION BETWEEN THE TWO DOMAINS OF THE MALTODEXTRIN-BINDING PROTEIN INVOLVED IN ACTIVE TRANSPORT AND CHEMOTAXIS"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NI",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Chimera of Maltose-binding periplasmic protein and Argonaute 2 (chains A,P,Z)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1R6Z",
      "evidence_id": "EV-PDB-1R6Z-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "1R6Z",
        "doi": "10.1038/nsb1016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1R6Z"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The Crystal Structure of the Argonaute2 PAZ domain (as a MBP fusion)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1SVX",
      "evidence_id": "EV-PDB-1SVX-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.24
      },
      "provenance": {
        "deposit_id": "1SVX",
        "doi": "10.1038/nbt962",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1SVX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a designed selected Ankyrin Repeat protein in complex with the Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose binding protein fused with designed helical protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1Y4C",
      "evidence_id": "EV-PDB-1Y4C-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "1Y4C",
        "doi": "10.1073/pnas.0408890102",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1Y4C"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Designed Helical Protein fusion MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1YTV",
      "evidence_id": "EV-PDB-1YTV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "1YTV",
        "doi": "10.1107/S1744309105007293",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1YTV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Maltose-binding protein fusion to a C-terminal fragment of the V1a vasopressin receptor"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NI"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1ZIU",
      "evidence_id": "EV-PDB-1ZIU-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "1ZIU",
        "doi": "10.1016/j.jmb.2005.10.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1ZIU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of nickel-bound engineered Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1ZJL",
      "evidence_id": "EV-PDB-1ZJL-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "1ZJL",
        "doi": "10.1016/j.jmb.2005.10.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1ZJL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of zinc-bound engineered maltose binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1ZKB",
      "evidence_id": "EV-PDB-1ZKB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "1ZKB",
        "doi": "10.1016/j.jmb.2005.10.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1ZKB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Zinc-free Engineered maltose binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CU"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1ZMG",
      "evidence_id": "EV-PDB-1ZMG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "1ZMG",
        "doi": "10.1016/j.jmb.2005.10.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1ZMG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of copper-bound engineered maltose binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1MC1",
          "branched: alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Monobody P' (chains A,B,C,D,E,F)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/21DH",
      "evidence_id": "EV-PDB-21DH-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.57
      },
      "provenance": {
        "deposit_id": "21DH",
        "doi": "10.1107/S2053230X26000798",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/21DH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused Monobody P' in complex with HPPU"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Leukocyte receptor cluster member 8 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/28WZ",
      "evidence_id": "EV-PDB-28WZ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.5
      },
      "provenance": {
        "deposit_id": "28WZ",
        "doi": "10.1038/s41586-026-10650-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/28WZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the human LENG8-PCID2-SEM1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2N44",
      "evidence_id": "EV-PDB-2N44-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2N44",
        "doi": "10.1038/nmeth.3455",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2N44"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "EC-NMR Structure of Escherichia coli Maltose-binding protein Determined by Combining Evolutionary Couplings (EC) and Sparse NMR Data. Northeast Structural Genomics Consortium target ER690"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2MV0",
      "evidence_id": "EV-PDB-2MV0-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2MV0",
        "doi": "10.1073/pnas.1203013109",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2MV0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "Solution NMR Structure of Maltose-binding protein from Escherichia coli, Northeast Structural Genomics Consortium (NESG) Target ER690"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2KLF",
      "evidence_id": "EV-PDB-2KLF-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2KLF",
        "doi": "10.1002/anie.200902561",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2KLF"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "PERE NMR structure of maltodextrin-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": 29.85
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2H25",
      "evidence_id": "EV-PDB-2H25-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2H25",
        "doi": "10.1038/nmeth938",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2H25"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "Solution Structure of Maltose Binding Protein complexed with beta-cyclodextrin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2D21",
      "evidence_id": "EV-PDB-2D21-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2D21",
        "doi": "10.1038/nature04525",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2D21"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "NMR Structure of stereo-array isotope labelled (SAIL) maltodextrin-binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Leukocyte receptor cluster member 8 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/28XA",
      "evidence_id": "EV-PDB-28XA-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.86
      },
      "provenance": {
        "deposit_id": "28XA",
        "doi": "10.1038/s41586-026-10650-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/28XA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the human UAP56 NTD - LENG8-PCID2-SEM1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,SAC3 domain-containing protein 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/28WY",
      "evidence_id": "EV-PDB-28WY-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.6
      },
      "provenance": {
        "deposit_id": "28WY",
        "doi": "10.1038/s41586-026-10650-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/28WY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the human SAC3D1-PCID2-SEM1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1T0K",
      "evidence_id": "EV-PDB-1T0K-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.24
      },
      "provenance": {
        "deposit_id": "1T0K",
        "doi": "10.1016/j.str.2004.04.023",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1T0K"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Joint X-ray and NMR Refinement of Yeast L30e-mRNA complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1PEB",
      "evidence_id": "EV-PDB-1PEB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "1PEB",
        "doi": "10.1074/jbc.M301004200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1PEB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "LIGAND-FREE HIGH-AFFINITY MALTOSE-BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1N3X",
      "evidence_id": "EV-PDB-1N3X-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "1N3X",
        "doi": "10.1074/jbc.M301004200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1N3X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Ligand-free High-Affinity Maltose-Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1N3W",
      "evidence_id": "EV-PDB-1N3W-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "1N3W",
        "doi": "10.1074/jbc.M301004200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1N3W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Engineered High-Affinity Maltose-Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MPD",
      "evidence_id": "EV-PDB-1MPD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "1MPD",
        "doi": "10.1006/jmbi.1996.0646",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MPD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN-BINDING PROTEIN (MALTOSE-BINDING PROTEIN) MUTANT, WITH ARGININE REPLACING TRYPTOPHAN AT POSITION 230 (TRP-230-ARG), COMPLEXED WITH MALTOSE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltose binding-a1 homeodomain protein chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MH4",
      "evidence_id": "EV-PDB-1MH4-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "1MH4",
        "doi": "10.1110/ps.0219103",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MH4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "maltose binding-a1 homeodomain protein chimera, crystal form II"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltose binding-a1 homeodomain protein chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MH3",
      "evidence_id": "EV-PDB-1MH3-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "1MH3",
        "doi": "10.1110/ps.0219103",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MH3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "maltose binding-a1 homeodomain protein chimera, crystal form I"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "MALTODEXTRIN BINDING PROTEIN (chains 1,2)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MDP",
      "evidence_id": "EV-PDB-1MDP-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "1MDP",
        "doi": "10.1006/jmbi.1994.0059",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MDP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "REFINED STRUCTURES OF TWO INSERTION(SLASH)DELETION MUTANTS PROBE FUNCTION OF THE MALTODEXTRIN BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1JW5",
      "evidence_id": "EV-PDB-1JW5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "1JW5",
        "doi": "10.1021/bi015784n",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1JW5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Maltose Bound to Open-form Maltodextrin-binding Protein in P1 Crystal"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1JW4",
      "evidence_id": "EV-PDB-1JW4-1",
      "mappings": [
        {
          "confidence": "high",
          "justification": "Ligand-free open structure; representative for the open apo state.",
          "rule": "curator_assignment",
          "state_id": "MBP-open-apo",
          "who": "curator:draft (unreviewed)"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "1JW4",
        "doi": "10.1021/bi015784n",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1JW4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of ligand-free maltodextrin-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": 14.85
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN MALE-B133 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1IUD",
      "evidence_id": "EV-PDB-1IUD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "1IUD",
        "doi": "10.1002/(SICI)1097-0134(199701)27:1<1::AID-PROT2>3.0.CO;2-L",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1IUD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN-BINDING PROTEIN INSERTION/DELETION MUTANT WITH AN INSERTED B-CELL EPITOPE FROM THE PRES2 REGION OF HEPATITIS B VIRUS"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GLC"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "FUSION PROTEIN CONSISTING OF STAPHYLOCOCCUS ACCESSORY REGULATOR PROTEIN R AND MALTOSE BINDING PROTEIN (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1HSJ",
      "evidence_id": "EV-PDB-1HSJ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "1HSJ",
        "doi": "10.1073/pnas.121013398",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1HSJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "SARR MBP FUSION STRUCTURE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-sorbitol"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1FQB",
      "evidence_id": "EV-PDB-1FQB-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "1FQB",
        "doi": "10.1006/jmbi.2001.4456",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1FQB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF MALTOTRIOTOL BOUND TO OPEN-FORM MALTODEXTRIN BINDING PROTEIN IN P2(1)CRYSTAL FORM"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "MALTODEXTRIN BINDING PERIPLASMIC PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1EZP",
      "evidence_id": "EV-PDB-1EZP-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "1EZP",
        "doi": "10.1006/jmbi.2000.3842",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1EZP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "GLOBAL FOLD OF MALTODEXTRIN BINDING PROTEIN COMPLEXED WITH BETA-CYCLODEXTRIN USING PEPTIDE ORIENTATIONS FROM DIPOLAR COUPLINGS"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1EZO",
      "evidence_id": "EV-PDB-1EZO-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "1EZO",
        "doi": "10.1006/jmbi.2000.3842",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1EZO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "GLOBAL FOLD OF MALTODEXTRIN BINDING PROTEIN COMPLEXED WITH BETA-CYCLODEXTRIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-D-glucose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1EZ9",
      "evidence_id": "EV-PDB-1EZ9-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "1EZ9",
        "doi": "10.1021/bi015784n",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1EZ9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF MALTOTETRAITOL BOUND TO OPEN-FORM MALTODEXTRIN BINDING PROTEIN IN P1 CRYSTAL FORM"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: Cycloheptakis-(1-4)-(alpha-D-glucopyranose)"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "D-MALTODEXTRIN BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1DMB",
      "evidence_id": "EV-PDB-1DMB-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Beta-cyclodextrin binds without closing MBP (as in 1DMB).",
          "rule": "mbp-cyclodextrin-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-cyclodextrin-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "1DMB",
        "doi": "10.1021/bi00091a004",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1DMB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "REFINED 1.8 ANGSTROMS STRUCTURE REVEALS THE MECHANISM OF BINDING OF A CYCLIC SUGAR, BETA-CYCLODEXTRIN, TO THE MALTODEXTRIN BINDING PROTEIN"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2N45",
      "evidence_id": "EV-PDB-2N45-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2N45",
        "doi": "10.1038/nmeth.3455",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2N45"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "EC-NMR Structure of Escherichia coli Maltose-binding protein Determined by Combining Evolutionary Couplings (EC) and Sparse NMR Data with a second set of RDC data simulated for an alternative alignment tensor. Northeast Structural Genomics Consortium target ER690"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose Binding periplasmic Protein and Monobody MBP-74 Fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2OBG",
      "evidence_id": "EV-PDB-2OBG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "2OBG",
        "doi": "10.1073/pnas.0700149104",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2OBG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Monobody MBP-74/Maltose Binding Protein Fusion Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ATP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2R6G",
      "evidence_id": "EV-PDB-2R6G-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "2R6G",
        "doi": "10.1038/nature06264",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2R6G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The Crystal Structure of the E. coli Maltose Transporter"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Sugar ABC transporter substrate-binding protein,Mitochondrial antiviral-signaling protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2VGQ",
      "evidence_id": "EV-PDB-2VGQ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "2VGQ",
        "doi": "10.1186/1472-6807-8-11",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2VGQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Human IPS-1 CARD"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, LINKER, Mitochondrial intermembrane space import and assembly protein 40 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2ZXT",
      "evidence_id": "EV-PDB-2ZXT-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "2ZXT",
        "doi": "10.1073/pnas.0901793106",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2ZXT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of Tim40/MIA40, a disulfide relay system in mitochondria, solved as MBP fusion protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ATP",
          "MG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,TnsA endonuclease N-terminal domain-containing protein,TnsB transposase (chains R,S,T,U,V,W,X,a,b,c,d)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/30GA",
      "evidence_id": "EV-PDB-30GA-10",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "30GA",
        "doi": "10.64898/2026.05.18.725949",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/30GA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the PseCascade-TniQ-TnsC-TnsAB holocomplex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ATP",
          "MG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,TnsA endonuclease N-terminal domain-containing protein,TnsB transposase (chains R,S,T,U,V,W,X)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/30GB",
      "evidence_id": "EV-PDB-30GB-9",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "30GB",
        "doi": "10.64898/2026.05.18.725949",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/30GB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the PseCascade-TniQ-TnsC complex bound to PseTnsB-hook motifs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "Fusion protein of Maltose-binding periplasmic protein and Parathyroid hormone/parathyroid hormone-related peptide receptor (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3C4M",
      "evidence_id": "EV-PDB-3C4M-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "3C4M",
        "doi": "10.1073/pnas.0801027105",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3C4M"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of human parathyroid hormone in complex with the extracellular domain of its G-protein-coupled receptor (PTH1R)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding protein Monobody YS1 Fusion (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3CSG",
      "evidence_id": "EV-PDB-3CSG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.798
      },
      "provenance": {
        "deposit_id": "3CSG",
        "doi": "10.1016/j.jmb.2008.06.014",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3CSG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Monobody YS1(MBP-74)/Maltose Binding Protein Fusion Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CD",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, LINKER, Zona pellucida protein 3 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3D4C",
      "evidence_id": "EV-PDB-3D4C-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "3D4C",
        "doi": "10.1038/nature07599",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3D4C"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "ZP-N domain of mammalian sperm receptor ZP3 (crystal form I)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein fused with RACK1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3DM0",
      "evidence_id": "EV-PDB-3DM0-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "3DM0",
        "doi": "10.1110/ps.035121.108",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3DM0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Maltose Binding Protein fusion with RACK1 from A. thaliana"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.8,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, LINKER, Zona pellucida protein 3 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3EF7",
      "evidence_id": "EV-PDB-3EF7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.1
      },
      "provenance": {
        "deposit_id": "3EF7",
        "doi": "10.1038/nature07599",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3EF7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "ZP-N domain of mammalian sperm receptor ZP3 (crystal form III)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.7,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "fusion protein of CRFR1 extracellular domain and MBP (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3EHS",
      "evidence_id": "EV-PDB-3EHS-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.76
      },
      "provenance": {
        "deposit_id": "3EHS",
        "doi": "10.1074/jbc.M805749200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3EHS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the extracellular domain of human corticotropin releasing factor receptor type 1 (CRFR1)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "BTB",
          "CA",
          "PEG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.75,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "FUSION PROTEIN OF CRFR1 EXTRACELLULAR DOMAIN AND MBP (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3EHU",
      "evidence_id": "EV-PDB-3EHU-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.96
      },
      "provenance": {
        "deposit_id": "3EHU",
        "doi": "10.1074/jbc.M805749200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3EHU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the extracellular domain of human corticotropin releasing factor receptor type 1 (CRFR1) in complex with CRF"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A3P",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Heparan sulfate 2-O-sulfotransferase 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3F5F",
      "evidence_id": "EV-PDB-3F5F-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.65
      },
      "provenance": {
        "deposit_id": "3F5F",
        "doi": "10.1073/pnas.0806975105",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3F5F"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of heparan sulfate 2-O-sulfotransferase from gallus gallus as a maltose binding protein fusion."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Islet amyloid polypeptide fusion protein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3G7V",
      "evidence_id": "EV-PDB-3G7V-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.86
      },
      "provenance": {
        "deposit_id": "3G7V",
        "doi": "10.1002/pro.145",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3G7V"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Islet Amyloid Polypeptide (IAPP or Amylin) fused to Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Islet amyloid polypeptide fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3G7W",
      "evidence_id": "EV-PDB-3G7W-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.75
      },
      "provenance": {
        "deposit_id": "3G7W",
        "doi": "10.1002/pro.145",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3G7W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Islet Amyloid Polypeptide (IAPP or Amylin) Residues 1 to 22 fused to Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Fusion protein of Maltose-binding periplasmic domain and human parathyroid hormone receptor extracellular domain (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3H3G",
      "evidence_id": "EV-PDB-3H3G-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.94
      },
      "provenance": {
        "deposit_id": "3H3G",
        "doi": "10.1074/jbc.M109.022905",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3H3G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the extracellular domain of the human parathyroid hormone receptor (PTH1R) in complex with parathyroid hormone-related protein (PTHrP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "ZN",
          "branched: beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -160.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3HPI",
      "evidence_id": "EV-PDB-3HPI-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "3HPI",
        "doi": "10.1074/jbc.M109.089078",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3HPI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose-binding protein mutant with bound sucrose"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "TAR",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -160.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3HST",
      "evidence_id": "EV-PDB-3HST-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.25
      },
      "provenance": {
        "deposit_id": "3HST",
        "doi": "10.1128/JB.01615-09",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3HST"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "N-Terminal RNASE H domain of rv2228c from mycobacterium tuberculosis as a fusion protein with maltose binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, HUNTINGTIN FUSION PROTEIN (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3IO6",
      "evidence_id": "EV-PDB-3IO6-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "3IO6",
        "doi": "10.1016/j.str.2009.08.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3IO6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Huntingtin amino-terminal region with 17 Gln residues - crystal C92-a"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3IOU",
      "evidence_id": "EV-PDB-3IOU-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "3IOU",
        "doi": "10.1016/j.str.2009.08.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3IOU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Huntingtin amino-terminal region with 17 Gln residues - crystal C94"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3IOV",
      "evidence_id": "EV-PDB-3IOV-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "3IOV",
        "doi": "10.1016/j.str.2009.08.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3IOV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Huntingtin amino-terminal region with 17 Gln residues - crystal C99"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3IOW",
      "evidence_id": "EV-PDB-3IOW-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.5
      },
      "provenance": {
        "deposit_id": "3IOW",
        "doi": "10.1016/j.str.2009.08.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3IOW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Huntingtin amino-terminal region with 17 Gln residues - crystal C99-Hg"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Transient receptor potential cation channel subfamily A member 1 chimera (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3J9P",
      "evidence_id": "EV-PDB-3J9P-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.24
      },
      "provenance": {
        "deposit_id": "3J9P",
        "doi": "10.1038/nature14367",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3J9P"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the TRPA1 ion channel determined by electron cryo-microscopy"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -160.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3KJT",
      "evidence_id": "EV-PDB-3KJT-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.5
      },
      "provenance": {
        "deposit_id": "3KJT",
        "doi": "10.1074/jbc.M109.089078",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3KJT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Stimulation of the maltose transporter by a mutant sucrose binding protein gives insights into ABC transporter coupling"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Renin receptor (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3LBS",
      "evidence_id": "EV-PDB-3LBS-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.15
      },
      "provenance": {
        "deposit_id": "3LBS",
        "doi": "10.1016/j.bbrc.2011.03.074",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3LBS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the cytoplasmic tail of (pro)renin receptor as a MBP fusion (Maltose-bound form)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "MG",
          "PG4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Renin receptor (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3LC8",
      "evidence_id": "EV-PDB-3LC8-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "3LC8",
        "doi": "10.1016/j.bbrc.2011.03.074",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3LC8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the cytoplasmic tail of (pro)renin receptor as a MBP fusion (Maltose-free form)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,LINKER,SAGA-associated factor 29 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3MP6",
      "evidence_id": "EV-PDB-3MP6-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.48
      },
      "provenance": {
        "deposit_id": "3MP6",
        "doi": "10.1038/emboj.2011.193",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3MP6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Complex Structure of Sgf29 and dimethylated H3K4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "4BZ",
          "ACY",
          "GOL",
          "NA",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,LINKER,SAGA-associated factor 29 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3MP8",
      "evidence_id": "EV-PDB-3MP8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.92
      },
      "provenance": {
        "deposit_id": "3MP8",
        "doi": "10.1038/emboj.2011.193",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3MP8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of Sgf29 tudor domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Bone marrow stromal antigen 2 fused to Maltose-binding periplasmic protein (chains A,B,C,D,E,F,G,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3MQ9",
      "evidence_id": "EV-PDB-3MQ9-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "3MQ9",
        "doi": "10.1073/pnas.1011485107",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3MQ9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Ectodomain Mutant of BST-2/Tetherin/CD317 Fused to MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose binding protein-CRFR2 alpha (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3N93",
      "evidence_id": "EV-PDB-3N93-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "3N93",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3N93"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human CRFR2 alpha extracellular domain in complex with Urocortin 3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Fusion protein of Maltose-binding periplasmic protein and pituitary adenylate cyclase 1 Receptor-short (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3N94",
      "evidence_id": "EV-PDB-3N94-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "3N94",
        "doi": "10.1371/journal.pone.0019682",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3N94"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human pituitary adenylate cyclase 1 Receptor-short N-terminal extracellular domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose binding protein-CRFR2 alpha extracellular domain (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3N95",
      "evidence_id": "EV-PDB-3N95-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.72
      },
      "provenance": {
        "deposit_id": "3N95",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3N95"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human CRFR2 alpha extracellular domain in complex with Urocortin 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose binding protein-CRFR2 alpha (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3N96",
      "evidence_id": "EV-PDB-3N96-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.75
      },
      "provenance": {
        "deposit_id": "3N96",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3N96"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human CRFR2 alpha extracellular domain in complex with Urocortin 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Advanced glycosylation end product-specific receptor (chains N)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3O3U",
      "evidence_id": "EV-PDB-3O3U-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.497
      },
      "provenance": {
        "deposit_id": "3O3U",
        "doi": "10.1074/jbc.M110.169276",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3O3U"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Human Receptor for Advanced Glycation Endproducts (RAGE)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 11.1,
        "salt_mM": null,
        "temperature_c": -100.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Myelin protein P0 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3OAI",
      "evidence_id": "EV-PDB-3OAI-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "3OAI",
        "doi": "10.1002/prot.23164",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3OAI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the extra-cellular domain of human myelin protein zero"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose ABC transporter periplasmic protein,Arah 2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3OB4",
      "evidence_id": "EV-PDB-3OB4-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.706
      },
      "provenance": {
        "deposit_id": "3OB4",
        "doi": "10.1111/j.1398-9995.2010.02532.x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3OB4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-fusion protein of the major peanut allergen Ara h 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,LINKER,SAGA-associated factor 29 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3MP1",
      "evidence_id": "EV-PDB-3MP1-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "3MP1",
        "doi": "10.1038/emboj.2011.193",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3MP1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Complex structure of Sgf29 and trimethylated H3K4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": 13.85
      },
      "construct": {
        "description": "MALTODEXTRIN-BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3MBP",
      "evidence_id": "EV-PDB-3MBP-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.7
      },
      "provenance": {
        "deposit_id": "3MBP",
        "doi": "10.1016/S0969-2126(97)00253-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3MBP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN-BINDING PROTEIN WITH BOUND MALTOTRIOSE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Fusion protein of Maltose-binding periplasmic protein and Parathyroid hormone/parathyroid hormone-related peptide receptor (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3L2J",
      "evidence_id": "EV-PDB-3L2J-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.24
      },
      "provenance": {
        "deposit_id": "3L2J",
        "doi": "10.1074/jbc.M109.093138",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3L2J"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Dimeric structure of the ligand-free extracellular domain of the human parathyroid hormone receptor (PTH1R)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3IOT",
      "evidence_id": "EV-PDB-3IOT-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.5
      },
      "provenance": {
        "deposit_id": "3IOT",
        "doi": "10.1016/j.str.2009.08.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3IOT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Huntingtin amino-terminal region with 17 Gln residues - crystal C92-b"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding protein, huntingtin fusion protein (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3IOR",
      "evidence_id": "EV-PDB-3IOR-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.6
      },
      "provenance": {
        "deposit_id": "3IOR",
        "doi": "10.1016/j.str.2009.08.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3IOR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Huntingtin amino-terminal region with 17 Gln residues - crystal C95"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein fused with Allergen DERP7 (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3H4Z",
      "evidence_id": "EV-PDB-3H4Z-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "3H4Z",
        "doi": "10.1016/j.jaci.2009.12.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3H4Z"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of an MBP-Der p 7 fusion protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.25,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "FUSION PROTEIN OF CRFR1 EXTRACELLULAR DOMAIN AND MBP (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3EHT",
      "evidence_id": "EV-PDB-3EHT-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.4
      },
      "provenance": {
        "deposit_id": "3EHT",
        "doi": "10.1074/jbc.M805749200",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3EHT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the extracellular domain of human corticotropin releasing factor receptor type 1 (CRFR1) in complex with CRF"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, LINKER, Zona pellucida protein 3 (chains A,B,C,D,E,F,G,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3D4G",
      "evidence_id": "EV-PDB-3D4G-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "3D4G",
        "doi": "10.1038/nature07599",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3D4G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "ZP-N domain of mammalian sperm receptor ZP3 (crystal form II)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "1PE",
          "EDO",
          "MN",
          "PEG",
          "PG4",
          "PGE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding protein Monobody YSX1 Fusion (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3CSB",
      "evidence_id": "EV-PDB-3CSB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.999
      },
      "provenance": {
        "deposit_id": "3CSB",
        "doi": "10.1016/j.jmb.2008.06.014",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3CSB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Monobody YSX1/Maltose Binding Protein Fusion Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, LINKER, Mitochondrial intermembrane space import and assembly protein 40 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3A3C",
      "evidence_id": "EV-PDB-3A3C-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "3A3C",
        "doi": "10.1073/pnas.0901793106",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3A3C"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of TIM40/MIA40 fusing MBP, C296S and C298S mutant"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MXT"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.4,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2V93",
      "evidence_id": "EV-PDB-2V93-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "2V93",
        "doi": "10.1038/NATURE06232",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2V93"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "EQUILLIBRIUM MIXTURE OF OPEN AND PARTIALLY-CLOSED SPECIES IN THE APO STATE OF MALTODEXTRIN-BINDING PROTEIN BY PARAMAGNETIC RELAXATION ENHANCEMENT NMR"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ATP",
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose binding protein/NEDD8-activating enzyme E1 catalytic subunit chimera (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2NVU",
      "evidence_id": "EV-PDB-2NVU-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "2NVU",
        "doi": "10.1038/nature05490",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2NVU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of APPBP1-UBA3~NEDD8-NEDD8-MgATP-Ubc12(C111A), a trapped ubiquitin-like protein activation complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Green fluorescent protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3OSQ",
      "evidence_id": "EV-PDB-3OSQ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "3OSQ",
        "doi": "10.1002/prot.23118",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3OSQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Maltose-bound maltose sensor engineered by insertion of circularly permuted green fluorescent protein into E. coli maltose binding protein at position 175"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Green fluorescent protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3OSR",
      "evidence_id": "EV-PDB-3OSR-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "3OSR",
        "doi": "10.1002/prot.23118",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3OSR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Maltose-bound maltose sensor engineered by insertion of circularly permuted green fluorescent protein into E. coli maltose binding protein at position 311"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "IMD",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PGF",
      "evidence_id": "EV-PDB-3PGF-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "3PGF",
        "doi": "10.1038/nsmb.2002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PGF"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose bound MBP with a conformationally specific synthetic antigen binder (sAB)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "MG",
          "PGV",
          "UMQ",
          "VO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PUV",
      "evidence_id": "EV-PDB-3PUV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "3PUV",
        "doi": "10.1073/pnas.1108858108",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PUV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of an outward-facing MBP-Maltose transporter complex bound to ADP-VO4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "ALF",
          "MG",
          "PGV",
          "UMQ",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PUW",
      "evidence_id": "EV-PDB-3PUW-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "3PUW",
        "doi": "10.1073/pnas.1108858108",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PUW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of an outward-facing MBP-Maltose transporter complex bound to ADP-AlF4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "BEF",
          "MG",
          "PGV",
          "UMQ",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PUX",
      "evidence_id": "EV-PDB-3PUX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "3PUX",
        "doi": "10.1073/pnas.1108858108",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PUX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of an outward-facing MBP-Maltose transporter complex bound to ADP-BeF3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ANP",
          "MG",
          "PGV",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose transporter subunit; periplasmic-binding component of ABC superfamily (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PUY",
      "evidence_id": "EV-PDB-3PUY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.1
      },
      "provenance": {
        "deposit_id": "3PUY",
        "doi": "10.1126/science.1200767",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PUY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of an outward-facing MBP-Maltose transporter complex bound to AMP-PNP after crystal soaking of the pretranslocation state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ANP",
          "MG",
          "PGV",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose transporter subunit; periplasmic-binding component of ABC superfamily (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PUZ",
      "evidence_id": "EV-PDB-3PUZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "3PUZ",
        "doi": "10.1126/science.1200767",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PUZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of a pre-translocation state MBP-Maltose transporter complex bound to AMP-PNP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltose-binding periplasmic protein,paxillin LD1,protein E6 chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PY7",
      "evidence_id": "EV-PDB-3PY7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.288
      },
      "provenance": {
        "deposit_id": "3PY7",
        "doi": "10.1126/science.1229934",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PY7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of full-length Bovine Papillomavirus oncoprotein E6 in complex with LD1 motif of paxillin at 2.3A resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein/alpha-synuclein chimeric protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3Q25",
      "evidence_id": "EV-PDB-3Q25-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "3Q25",
        "doi": "10.1002/pro.630",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3Q25"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human alpha-synuclein (1-19) fused to maltose binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein/alpha-synuclein chimeric protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3Q26",
      "evidence_id": "EV-PDB-3Q26-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.54
      },
      "provenance": {
        "deposit_id": "3Q26",
        "doi": "10.1002/pro.630",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3Q26"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Cyrstal structure of human alpha-synuclein (10-42) fused to maltose binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein/alpha-synuclein chimeric protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3Q27",
      "evidence_id": "EV-PDB-3Q27-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.302
      },
      "provenance": {
        "deposit_id": "3Q27",
        "doi": "10.1002/pro.630",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3Q27"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Cyrstal structure of human alpha-synuclein (32-57) fused to maltose binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein/alpha-synuclein chimeric protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3Q28",
      "evidence_id": "EV-PDB-3Q28-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.6
      },
      "provenance": {
        "deposit_id": "3Q28",
        "doi": "10.1002/pro.630",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3Q28"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Cyrstal structure of human alpha-synuclein (58-79) fused to maltose binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ANP",
          "MG",
          "PGV",
          "UMQ",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3RLF",
      "evidence_id": "EV-PDB-3RLF-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "3RLF",
        "doi": "10.1073/pnas.1108858108",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3RLF"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the maltose-binding protein/maltose transporter complex in an outward-facing conformation bound to MgAMPPNP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "IPA",
          "MAN",
          "RST",
          "SO4",
          "branched: alpha-D-arabinofuranose-(1-2)-alpha-D-mannopyranose-(1-2)-[alpha-L-rhamnopyranose-(1-6)]beta-D-glucopyranose",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3RUM",
      "evidence_id": "EV-PDB-3RUM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.851
      },
      "provenance": {
        "deposit_id": "3RUM",
        "doi": "10.1021/ja208755j",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3RUM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "New strategy to analyze structures of glycopeptide antibiotic-target complexes"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C,E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SEV",
      "evidence_id": "EV-PDB-3SEV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.05
      },
      "provenance": {
        "deposit_id": "3SEV",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SEV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Zn-mediated Trimer of Maltose-binding Protein E310H/K314H by Synthetic Symmetrization"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "IOD",
          "NI",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SEX",
      "evidence_id": "EV-PDB-3SEX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "3SEX",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SEX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Ni-mediated Dimer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form II)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "GOL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C,E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SEY",
      "evidence_id": "EV-PDB-3SEY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.85
      },
      "provenance": {
        "deposit_id": "3SEY",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SEY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Zn-mediated Polymer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form II)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "CAC",
          "GCS",
          "MAN",
          "NAG",
          "T55",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, C-terminal fused by Cys-Lys-D-Ala-D-Ala (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3VFJ",
      "evidence_id": "EV-PDB-3VFJ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.05
      },
      "provenance": {
        "deposit_id": "3VFJ",
        "doi": "10.1107/S0907444912050469",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3VFJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The structure of monodechloro-teicoplanin in complex with its ligand, using MBP as a ligand carrier"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "NO3"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.7,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "3-ketoacyl-CoA thiolase, peroxisomal, Maltose-binding periplasmic protein (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3W15",
      "evidence_id": "EV-PDB-3W15-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "3W15",
        "doi": "10.1038/nsmb.2618",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3W15"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of peroxisomal targeting signal 2 (PTS2) of Saccharomyces cerevisiae 3-ketoacyl-CoA thiolase in complex with Pex7p and Pex21p"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.4,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Transmembrane oligosaccharyl transferase (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3WAI",
      "evidence_id": "EV-PDB-3WAI-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.897
      },
      "provenance": {
        "deposit_id": "3WAI",
        "doi": "10.1186/1472-6807-13-11",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3WAI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the C-terminal globular domain of oligosaccharyltransferase (AfAglB-L, O29867_ARCFU) from Archaeoglobus fulgidus as a MBP fusion"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MES",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, TRIPARTITE MOTIF-CONTAINING PROTEIN 5 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4B3N",
      "evidence_id": "EV-PDB-4B3N-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.3
      },
      "provenance": {
        "deposit_id": "4B3N",
        "doi": "10.1073/PNAS.1210903109",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4B3N"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of rhesus TRIM5alpha PRY/SPRY domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, SUPPRESSOR OF FUSED HOMOLOG (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4BL8",
      "evidence_id": "EV-PDB-4BL8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.04
      },
      "provenance": {
        "deposit_id": "4BL8",
        "doi": "10.1107/S0907444913028473",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4BL8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of full-length human Suppressor of fused (SUFU)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, SUPPRESSOR OF FUSED HOMOLOG (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4BL9",
      "evidence_id": "EV-PDB-4BL9-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "4BL9",
        "doi": "10.1107/S0907444913028473",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4BL9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of full-length human Suppressor of fused (SUFU) mutant lacking a regulatory subdomain (crystal form I)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, SUPPRESSOR OF FUSED HOMOLOG (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4BLA",
      "evidence_id": "EV-PDB-4BLA-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.5
      },
      "provenance": {
        "deposit_id": "4BLA",
        "doi": "10.1107/S0907444913028473",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4BLA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of full-length human Suppressor of fused (SUFU) mutant lacking a regulatory subdomain (crystal form II)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, SUPPRESSOR OF FUSED HOMOLOG (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4BLB",
      "evidence_id": "EV-PDB-4BLB-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "4BLB",
        "doi": "10.1107/S0907444913028473",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4BLB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a human Suppressor of fused (SUFU)-GLI1p complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Beta-lactamase TEM chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4DXB",
      "evidence_id": "EV-PDB-4DXB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.29
      },
      "provenance": {
        "deposit_id": "4DXB",
        "doi": "10.1371/journal.pone.0039168",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4DXB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "2.29A structure of the engineered MBP TEM-1 fusion protein RG13 in complex with zinc, P1 space group"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Beta-lactamase TEM chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4DXC",
      "evidence_id": "EV-PDB-4DXC-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "4DXC",
        "doi": "10.1371/journal.pone.0039168",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4DXC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the engineered MBP TEM-1 fusion protein RG13, C2 space group"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Myosin-binding protein C, cardiac-type chimeric protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4EDQ",
      "evidence_id": "EV-PDB-4EDQ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.641
      },
      "provenance": {
        "deposit_id": "4EDQ",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4EDQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-fusion protein of myosin-binding protein c residues 149-269"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.1,
        "salt_mM": null,
        "temperature_c": -188.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Homeobox protein SIX1 chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4EGC",
      "evidence_id": "EV-PDB-4EGC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.994
      },
      "provenance": {
        "deposit_id": "4EGC",
        "doi": "10.1038/nsmb.2505",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4EGC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of MBP-fused Human Six1 Bound to Human Eya2 Eya Domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PGE",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, uncharacterized protein chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4EXK",
      "evidence_id": "EV-PDB-4EXK-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.28
      },
      "provenance": {
        "deposit_id": "4EXK",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4EXK"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "A chimera protein containing MBP fused to the C-terminal domain of the uncharacterized protein STM14_2015 from Salmonella enterica"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4FE8",
      "evidence_id": "EV-PDB-4FE8-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "4FE8",
        "doi": "10.4161/pri.23807",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4FE8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Htt36Q3H-EX1-X1-C1(Alpha)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4FEC",
      "evidence_id": "EV-PDB-4FEC-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "4FEC",
        "doi": "10.4161/pri.23807",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4FEC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Htt36Q3H"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, UBIQUITIN LIGASE EA6P: chimeric protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4GIZ",
      "evidence_id": "EV-PDB-4GIZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.55
      },
      "provenance": {
        "deposit_id": "4GIZ",
        "doi": "10.1126/science.1229934",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4GIZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of full-length human papillomavirus oncoprotein E6 in complex with LXXLL peptide of ubiquitin ligase E6AP at 2.55 A resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -196.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Survival motor neuron protein chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4GLI",
      "evidence_id": "EV-PDB-4GLI-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.903
      },
      "provenance": {
        "deposit_id": "4GLI",
        "doi": "10.1016/j.str.2012.08.024",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4GLI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Human SMN YG-Dimer"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MLI",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.4,
        "salt_mM": null,
        "temperature_c": 24.85
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,NACHT, LRR and PYD domains-containing protein 1 (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4IFP",
      "evidence_id": "EV-PDB-4IFP-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9948
      },
      "provenance": {
        "deposit_id": "4IFP",
        "doi": "10.1002/prot.24287",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4IFP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "X-ray Crystal Structure of Human NLRP1 CARD Domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "EDO",
          "MLI",
          "NA",
          "PEG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Novel protein similar to vertebrate guanylate binding protein family (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4IRL",
      "evidence_id": "EV-PDB-4IRL-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.47
      },
      "provenance": {
        "deposit_id": "4IRL",
        "doi": "10.1107/S1744309113015558",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4IRL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "X-ray structure of the CARD domain of zebrafish GBP-NLRP1 like protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.8,
        "salt_mM": null,
        "temperature_c": -80.0
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN FUSED WITH XENOPUS LAEVIS MCM10 COILED-COIL REGION (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4JBZ",
      "evidence_id": "EV-PDB-4JBZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "4JBZ",
        "doi": "10.1371/journal.pone.0070518",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4JBZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Mcm10 coiled-coil region"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "IOD",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.2,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Caspase recruitment domain-containing protein 8 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4IKM",
      "evidence_id": "EV-PDB-4IKM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4606
      },
      "provenance": {
        "deposit_id": "4IKM",
        "doi": "10.1107/S1744309113010075",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4IKM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "X-ray structure of CARD8 CARD domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "EDO",
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose binding protein-CaKar3 motor domain fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4H1G",
      "evidence_id": "EV-PDB-4H1G-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.15
      },
      "provenance": {
        "deposit_id": "4H1G",
        "doi": "10.1016/j.bbrc.2012.10.101",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4H1G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Candida albicans Kar3 motor domain fused to maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Huntingtin (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4FED",
      "evidence_id": "EV-PDB-4FED-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.807
      },
      "provenance": {
        "deposit_id": "4FED",
        "doi": "10.4161/pri.23807",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4FED"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Htt36Q3H"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, SUPPRESSOR OF FUSED HOMOLOG (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4BLD",
      "evidence_id": "EV-PDB-4BLD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.802
      },
      "provenance": {
        "deposit_id": "4BLD",
        "doi": "10.1107/S0907444913028473",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4BLD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a human Suppressor of fused (SUFU)-GLI3p complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Repressor protein CI, Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3WOA",
      "evidence_id": "EV-PDB-3WOA-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "3WOA",
        "doi": "10.1002/2211-5463.12480",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3WOA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of lambda repressor (1-45) fused with maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "GOL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SEW",
      "evidence_id": "EV-PDB-3SEW-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.55
      },
      "provenance": {
        "deposit_id": "3SEW",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SEW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Zn-mediated Polymer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form I)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "GOL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SEU",
      "evidence_id": "EV-PDB-3SEU-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.85
      },
      "provenance": {
        "deposit_id": "3SEU",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SEU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Zn-mediated Polymer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form III)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NI",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SET",
      "evidence_id": "EV-PDB-3SET-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "3SET",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SET"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Ni-mediated Dimer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization (Form I)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "CU",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SES",
      "evidence_id": "EV-PDB-3SES-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "3SES",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SES"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Cu-mediated Dimer of Maltose-binding Protein A216H/K220H by Synthetic Symmetrization"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "CL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3SER",
      "evidence_id": "EV-PDB-3SER-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "3SER",
        "doi": "10.1002/pro.727",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3SER"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Zn-mediated Polymer of Maltose-binding Protein K26H/K30H by Synthetic Symmetrization"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein/alpha-synuclein chimeric protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3Q29",
      "evidence_id": "EV-PDB-3Q29-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "3Q29",
        "doi": "10.1002/pro.630",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3Q29"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Cyrstal structure of human alpha-synuclein (1-19) fused to maltose binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PGV",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose transporter subunit; periplasmic-binding component of ABC superfamily (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/3PV0",
      "evidence_id": "EV-PDB-3PV0-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.1
      },
      "provenance": {
        "deposit_id": "3PV0",
        "doi": "10.1126/science.1200767",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/3PV0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of a pre-translocation state MBP-Maltose transporter complex without nucleotide"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "BOG",
          "MG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic/Palate lung and nasal epithelium clone fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KEG",
      "evidence_id": "EV-PDB-4KEG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "4KEG",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KEG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of MBP Fused Human SPLUNC1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "FMT",
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP-MCL1 chimera protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WMS",
      "evidence_id": "EV-PDB-4WMS-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "4WMS",
        "doi": "10.1371/journal.pone.0125010",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WMS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF APO MBP-MCL1 AT 1.9A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "865",
          "EDO",
          "FMT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP-MCL1 chimera protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WMT",
      "evidence_id": "EV-PDB-4WMT-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "4WMT",
        "doi": "10.1371/journal.pone.0125010",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WMT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF MBP-MCL1 BOUND TO ligand 1 AT 2.35A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "PEG",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, ubiquitin ligase E6AP (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4XR8",
      "evidence_id": "EV-PDB-4XR8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.25
      },
      "provenance": {
        "deposit_id": "4XR8",
        "doi": "10.1038/nature16481",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4XR8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the HPV16 E6/E6AP/p53 ternary complex at 2.25 A resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "GOL"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.4,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose binding protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5BK1",
      "evidence_id": "EV-PDB-5BK1-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.15
      },
      "provenance": {
        "deposit_id": "5BK1",
        "doi": "10.1074/jbc.RA117.000656",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5BK1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose binding protein in complex with an endosteric synthetic antibody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "EPE",
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5BJZ",
      "evidence_id": "EV-PDB-5BJZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "5BJZ",
        "doi": "10.1074/jbc.RA117.000656",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5BJZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose binding protein in complex with an allosteric synthetic antibody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1,Maltose-binding periplasmic protein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5B3Z",
      "evidence_id": "EV-PDB-5B3Z-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "5B3Z",
        "doi": "10.1038/srep34654",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5B3Z"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of hPin1 WW domain (5-39) fused with maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1,Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5B3Y",
      "evidence_id": "EV-PDB-5B3Y-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.901
      },
      "provenance": {
        "deposit_id": "5B3Y",
        "doi": "10.1038/srep34654",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5B3Y"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of hPin1 WW domain (5-23) fused with maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1,Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5B3X",
      "evidence_id": "EV-PDB-5B3X-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "5B3X",
        "doi": "10.1038/srep34654",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5B3X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of hPin1 WW domain (5-15) fused with maltose-binding protein in P41212 form"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CIT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1,Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5B3W",
      "evidence_id": "EV-PDB-5B3W-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "5B3W",
        "doi": "10.1038/srep34654",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5B3W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of hPin1 WW domain (5-15) fused with maltose-binding protein in C2221 form"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Oligosaccharyl transferase stt3 subunit related protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5AZA",
      "evidence_id": "EV-PDB-5AZA-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.08
      },
      "provenance": {
        "deposit_id": "5AZA",
        "doi": "10.1002/pro.2867",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5AZA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-sAglB fusion protein with a 20-residue spacer in the connector helix"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Mitochondrial import receptor subunit TOM20 homolog (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5AZ9",
      "evidence_id": "EV-PDB-5AZ9-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.82
      },
      "provenance": {
        "deposit_id": "5AZ9",
        "doi": "10.1002/pro.2867",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5AZ9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of (5-residue deleted)MBP-Tom20 fusion protein tethered with ALDH presequence via a disulfide bond"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "AAC",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Mitochondrial import receptor subunit TOM20 homolog (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5AZ8",
      "evidence_id": "EV-PDB-5AZ8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.7
      },
      "provenance": {
        "deposit_id": "5AZ8",
        "doi": "10.1002/pro.2867",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5AZ8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-Tom20 fusion protein tethered with ALDH presequence via a disulfide bond"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.4,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Mitochondrial import receptor subunit TOM20 homolog (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5AZ7",
      "evidence_id": "EV-PDB-5AZ7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.96
      },
      "provenance": {
        "deposit_id": "5AZ7",
        "doi": "10.1002/pro.2867",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5AZ7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-Tom20 fusion protein with a 4-residue spacer in the connector helix"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.3,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Mitochondrial import receptor subunit TOM20 homolog (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5AZ6",
      "evidence_id": "EV-PDB-5AZ6-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.56
      },
      "provenance": {
        "deposit_id": "5AZ6",
        "doi": "10.1002/pro.2867",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5AZ6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-Tom20 fusion protein with a 2-residue spacer in the connector helix"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.1,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN (chains B,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5AQ9",
      "evidence_id": "EV-PDB-5AQ9-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.86
      },
      "provenance": {
        "deposit_id": "5AQ9",
        "doi": "10.1016/J.JMB.2016.03.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5AQ9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "DARPin-based Crystallization Chaperones exploit Molecular Geometry as a Screening Dimension in Protein Crystallography"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,TP53-regulated inhibitor of apoptosis 1 (chains A,C,E,G)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4XZV",
      "evidence_id": "EV-PDB-4XZV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.58
      },
      "provenance": {
        "deposit_id": "4XZV",
        "doi": "10.15252/embr.201540229",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4XZV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of SLMO1-TRIAP1 Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,TP53-regulated inhibitor of apoptosis 1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4XZS",
      "evidence_id": "EV-PDB-4XZS-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.12
      },
      "provenance": {
        "deposit_id": "4XZS",
        "doi": "10.15252/embr.201540229",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4XZS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of TRIAP1-MBP fusion"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,MBP-PilA: c (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4XA2",
      "evidence_id": "EV-PDB-4XA2-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.98
      },
      "provenance": {
        "deposit_id": "4XA2",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4XA2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the Major Type IV pilin of Acinetobacter baumannii"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Ataxin-3 chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WTH",
      "evidence_id": "EV-PDB-4WTH-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.25
      },
      "provenance": {
        "deposit_id": "4WTH",
        "doi": "10.1002/2211-5463.12029",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WTH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Ataxin-3 Carboxy Terminal Region - Crystal C2 (triclinic)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "3R7",
          "FMT",
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP-MCL1 chimera protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WMX",
      "evidence_id": "EV-PDB-4WMX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "4WMX",
        "doi": "10.1371/journal.pone.0125010",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WMX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The structure of MBP-MCL1 bound to ligand 6 at 2.0A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "3R6",
          "EDO",
          "FMT",
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP-MCL1 chimera protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WMW",
      "evidence_id": "EV-PDB-4WMW-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "4WMW",
        "doi": "10.1371/journal.pone.0125010",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WMW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The structure of MBP-MCL1 bound to ligand 5 at 1.9A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "3R4",
          "CL",
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBL-MCL1 chimera protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WMV",
      "evidence_id": "EV-PDB-4WMV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "4WMV",
        "doi": "10.1371/journal.pone.0125010",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WMV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF MBP-MCL1 BOUND TO ligand 4 AT 2.4A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "19H",
          "EDO",
          "FMT",
          "MG",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP-MCL1 chimera protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WMU",
      "evidence_id": "EV-PDB-4WMU-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.55
      },
      "provenance": {
        "deposit_id": "4WMU",
        "doi": "10.1371/journal.pone.0125010",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WMU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "STRUCTURE OF MBP-MCL1 BOUND TO ligand 2 AT 1.55A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E,F,G,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4WJV",
      "evidence_id": "EV-PDB-4WJV-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "4WJV",
        "doi": "10.1083/jcb.201408111",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4WJV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of Rsa4 in complex with the Nsa2 binding peptide"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "TMO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -174.05
      },
      "construct": {
        "description": "maltose-binding protein, pilin chimera (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4TSM",
      "evidence_id": "EV-PDB-4TSM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.899
      },
      "provenance": {
        "deposit_id": "4TSM",
        "doi": "10.1016/j.str.2014.11.018",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4TSM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-fusion protein of PilA1 from C. difficile R20291 residues 26-166"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Receptor activity-modifying protein 1, Calcitonin gene-related peptide type 1 receptor fusion protein (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4RWG",
      "evidence_id": "EV-PDB-4RWG-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.44
      },
      "provenance": {
        "deposit_id": "4RWG",
        "doi": "10.1016/j.molcel.2015.04.018",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4RWG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the CLR:RAMP1 extracellular domain heterodimer with bound high affinity CGRP analog"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.3,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose transporter subunit, Receptor activity-modifying protein 2, Calcitonin gene-related peptide type 1 receptor fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4RWF",
      "evidence_id": "EV-PDB-4RWF-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.76
      },
      "provenance": {
        "deposit_id": "4RWF",
        "doi": "10.1016/j.molcel.2015.04.018",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4RWF"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the CLR:RAMP2 extracellular domain heterodimer with bound adrenomedullin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MLI",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -196.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Survival Motor Neuron protein chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4RG5",
      "evidence_id": "EV-PDB-4RG5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.7
      },
      "provenance": {
        "deposit_id": "4RG5",
        "doi": "10.1074/jbc.M115.667279",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4RG5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of S. Pombe SMN YG-Dimer"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Disks large-associated protein 1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4R0Y",
      "evidence_id": "EV-PDB-4R0Y-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "4R0Y",
        "doi": "10.1016/j.bbrc.2014.08.073",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4R0Y"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Maltose-binding Protein Fusion with the C-terminal GH1 domain of Guanylate Kinase-associated Protein from Rattus norvegicus"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "COA",
          "FLC",
          "GOL",
          "MG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -196.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, 4'-phosphopantetheinyl transferase chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4QVH",
      "evidence_id": "EV-PDB-4QVH-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.75
      },
      "provenance": {
        "deposit_id": "4QVH",
        "doi": "10.1016/j.jsb.2014.10.004",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4QVH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the essential Mycobacterium tuberculosis phosphopantetheinyl transferase PptT, solved as a fusion protein with maltose binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "FLC",
          "GLC"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, JmjC domain-containing protein 7 chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4QSZ",
      "evidence_id": "EV-PDB-4QSZ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.86
      },
      "provenance": {
        "deposit_id": "4QSZ",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4QSZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of mouse JMJd7 fused with maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose ABC transporter periplasmic protein, Truncated replication protein RepA (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4PQK",
      "evidence_id": "EV-PDB-4PQK-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.401
      },
      "provenance": {
        "deposit_id": "4PQK",
        "doi": "10.1073/pnas.1406065111",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4PQK"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "C-Terminal domain of DNA binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MLI",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose ABC transporter periplasmic protein,Prepilin-type N-terminal cleavage/methylation domain protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4PE2",
      "evidence_id": "EV-PDB-4PE2-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.724
      },
      "provenance": {
        "deposit_id": "4PE2",
        "doi": "10.1016/j.str.2014.11.018",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4PE2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP PilA1 CD160"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "EDO"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "Chimera of Maltose-binding periplasmic protein and Kinesin family member 14 protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4OZQ",
      "evidence_id": "EV-PDB-4OZQ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.71
      },
      "provenance": {
        "deposit_id": "4OZQ",
        "doi": "10.1016/j.jmb.2014.05.030",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4OZQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the mouse Kif14 motor domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": 24.85
      },
      "construct": {
        "description": "Maltose ABC transporter periplasmic protein, pilin protein chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4OGM",
      "evidence_id": "EV-PDB-4OGM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.234
      },
      "provenance": {
        "deposit_id": "4OGM",
        "doi": "10.1016/j.str.2014.11.018",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4OGM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-fusion protein of PilA1 residues 26-159"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Extracellular solute-binding protein family 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4O4B",
      "evidence_id": "EV-PDB-4O4B-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "4O4B",
        "doi": "10.1038/ncomms5178",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4O4B"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of an Inositol hexakisphosphate kinase EhIP6KA as a fusion protein with maltose binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, ATP-dependent Clp protease adaptor protein ClpS containing protein chimeric construct (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4O2X",
      "evidence_id": "EV-PDB-4O2X-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "4O2X",
        "doi": "10.1002/pro.2868",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4O2X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of a malarial protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose ABC transporter periplasmic protein, Nuclear receptor subfamily 0 group B member 2 chimeric construct (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4NUF",
      "evidence_id": "EV-PDB-4NUF-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "4NUF",
        "doi": "10.1073/pnas.1322827111",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4NUF"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of SHP/EID1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A3P",
          "NPO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose",
          "branched: beta-D-glucopyranuronic acid-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Heparan sulfate 2-O-sulfotransferase 1 fusion (chains A,B,C,D,E,F)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4NDZ",
      "evidence_id": "EV-PDB-4NDZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.45
      },
      "provenance": {
        "deposit_id": "4NDZ",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4NDZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Maltose Binding Protein fusion to 2-O-Sulfotransferase with bound heptasaccharide and PAP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "PEG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic/Palate lung and nasal epithelium clone fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4N4X",
      "evidence_id": "EV-PDB-4N4X-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.501
      },
      "provenance": {
        "deposit_id": "4N4X",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4N4X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of the MBP fused human SPLUNC1 (native form)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": 13.85
      },
      "construct": {
        "description": "MALTODEXTRIN BINDING PROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4MBP",
      "evidence_id": "EV-PDB-4MBP-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.7
      },
      "provenance": {
        "deposit_id": "4MBP",
        "doi": "10.1016/S0969-2126(97)00253-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4MBP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MALTODEXTRIN BINDING PROTEIN WITH BOUND MALTETROSE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose ABC transporter periplasmic protein and NR2E3 protein chimeric construct (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4LOG",
      "evidence_id": "EV-PDB-4LOG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "4LOG",
        "doi": "10.1371/journal.pone.0074359",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4LOG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The crystal structure of the orphan nuclear receptor PNR ligand binding domain fused with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.7,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Phosphoprotein, chimeric construct (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KYE",
      "evidence_id": "EV-PDB-4KYE-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "4KYE",
        "doi": "10.1002/pro.2336",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KYE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Partial Structure of the C-terminal domain of the HPIV4B phosphoprotein, fused to MBP."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MPO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.3,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Phosphoprotein, chimeric construct (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KYD",
      "evidence_id": "EV-PDB-4KYD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.21
      },
      "provenance": {
        "deposit_id": "4KYD",
        "doi": "10.1002/pro.2336",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KYD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Partial Structure of the C-terminal domain of the HPIV4B phosphoprotein, fused to MBP."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "BO3",
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.1,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Phosphoprotein,  chimeric construct (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KYC",
      "evidence_id": "EV-PDB-4KYC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "4KYC",
        "doi": "10.1002/pro.2336",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KYC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the C-terminal domain of the Menangle virus phosphoprotein, fused to MBP."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Chimera fusion protein of ESX-1 secretion system protein eccD1 and Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KV3",
      "evidence_id": "EV-PDB-4KV3-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "4KV3",
        "doi": "10.1186/s12900-016-0056-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KV3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Ubiquitin-like domain of the Mycobacterium tuberculosis type VII secretion system protein EccD1 as maltose-binding protein fusion"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ANP",
          "MG",
          "PGV",
          "UMQ",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KI0",
      "evidence_id": "EV-PDB-4KI0-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.38
      },
      "provenance": {
        "deposit_id": "4KI0",
        "doi": "10.1073/pnas.1311407110",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KI0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the maltose-binding protein/maltose transporter complex in an outward-facing conformation bound to maltohexaose"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PGV",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4KHZ",
      "evidence_id": "EV-PDB-4KHZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "4KHZ",
        "doi": "10.1073/pnas.1311407110",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4KHZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the maltose-binding protein/maltose transporter complex in an pre-translocation conformation bound to maltoheptaose"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/4JKM",
      "evidence_id": "EV-PDB-4JKM-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.263
      },
      "provenance": {
        "deposit_id": "4JKM",
        "doi": "10.1016/j.chembiol.2015.08.005",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/4JKM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Clostridium perfringens beta-glucuronidase"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "GOL",
          "PO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5BK2",
      "evidence_id": "EV-PDB-5BK2-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "5BK2",
        "doi": "10.1074/jbc.RA117.000656",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5BK2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose binding protein in complex with a peristeric synthetic antibody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "MG",
          "MPD",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Maltose-binding periplasmic protein,PilA fusion protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5CFV",
      "evidence_id": "EV-PDB-5CFV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "5CFV",
        "doi": "10.1074/jbc.M116.751099",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5CFV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Fusion of Maltose-binding Protein and PilA from Acinetobacter nosocomialis M2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Telomerase-associated protein 19 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5DFM",
      "evidence_id": "EV-PDB-5DFM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.301
      },
      "provenance": {
        "deposit_id": "5DFM",
        "doi": "10.1126/science.aab4070",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5DFM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Tetrahymena telomerase p19 fused to MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GTP",
          "MG",
          "PRO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Nuclear pore complex protein Nup214 (chains D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5DIS",
      "evidence_id": "EV-PDB-5DIS-4",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.85
      },
      "provenance": {
        "deposit_id": "5DIS",
        "doi": "10.1016/j.celrep.2015.09.042",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5DIS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CRM1-RanGTP-SPN1 export complex bound to a 113 amino acid FG-repeat containing fragment of Nup214"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "K",
          "TSN",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Histone deacetylase 6 chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5EDU",
      "evidence_id": "EV-PDB-5EDU-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.79
      },
      "provenance": {
        "deposit_id": "5EDU",
        "doi": "10.1038/nchembio.2134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5EDU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human histone deacetylase 6 catalytic domain 2 in complex with trichostatin A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "HG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5FIO",
      "evidence_id": "EV-PDB-5FIO-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "5FIO",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5FIO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "DARPins as a new tool for experimental phasing in protein crystallography"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5GRU",
      "evidence_id": "EV-PDB-5GRU-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.955
      },
      "provenance": {
        "deposit_id": "5GRU",
        "doi": "10.1038/srep34515",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5GRU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of mono-specific diabody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.2,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5GS2",
      "evidence_id": "EV-PDB-5GS2-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.592
      },
      "provenance": {
        "deposit_id": "5GS2",
        "doi": "10.1038/srep34515",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5GS2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of diabody complex with repebody and MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,PigG (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5GXV",
      "evidence_id": "EV-PDB-5GXV-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "5GXV",
        "doi": "10.1016/j.ijbiomac.2017.02.088",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5GXV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of PigG"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MNDA PYD domain with MBP tag (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5H7Q",
      "evidence_id": "EV-PDB-5H7Q-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.451
      },
      "provenance": {
        "deposit_id": "5H7Q",
        "doi": "10.1038/srep40991",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5H7Q"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human MNDA PYD domain with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "BGC",
          "EDO",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "ComP (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5HZ7",
      "evidence_id": "EV-PDB-5HZ7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.43
      },
      "provenance": {
        "deposit_id": "5HZ7",
        "doi": "10.1016/j.str.2016.04.001",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5HZ7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "High-resolution crystal structure of the minor DNA-binding pilin ComP from Neisseria meningitidis in fusion with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Endoglin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5HZW",
      "evidence_id": "EV-PDB-5HZW-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.451
      },
      "provenance": {
        "deposit_id": "5HZW",
        "doi": "10.1016/j.celrep.2017.05.011",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5HZW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the orphan region of human endoglin/CD105 in complex with BMP9"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Tightly bound bacterial magnetic particle protein,Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5I69",
      "evidence_id": "EV-PDB-5I69-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "5I69",
        "doi": "10.1016/j.jsb.2016.03.001",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5I69"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-MamC magnetite-interaction component mutant-D70A"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "GOL",
          "MPD",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -166.05
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Fimbrial protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5IHJ",
      "evidence_id": "EV-PDB-5IHJ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "5IHJ",
        "doi": "10.1074/jbc.M116.751099",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5IHJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Fusion of Maltose-binding Protein and PilA from Acinetobacter baumannii BIDMC57"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PGE",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Vitelline envelope sperm lysin receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5II5",
      "evidence_id": "EV-PDB-5II5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "5II5",
        "doi": "10.1016/j.cell.2017.05.033",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5II5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of red abalone VERL repeat 1 at 1.8 A resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Vitelline envelope sperm lysin receptor (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5IIC",
      "evidence_id": "EV-PDB-5IIC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "5IIC",
        "doi": "10.1016/j.cell.2017.05.033",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5IIC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of red abalone VERL repeat 3 at 2.9 A resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "SIRT7 protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5IQZ",
      "evidence_id": "EV-PDB-5IQZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.334
      },
      "provenance": {
        "deposit_id": "5IQZ",
        "doi": "10.1002/prot.25085",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5IQZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of N-terminal domain of Human SIRT7"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Mitochondrial division protein 1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5JST",
      "evidence_id": "EV-PDB-5JST-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.199
      },
      "provenance": {
        "deposit_id": "5JST",
        "doi": "10.1038/srep43318",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5JST"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP fused MDV1 coiled coil"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains B,E,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5LEL",
      "evidence_id": "EV-PDB-5LEL-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.1
      },
      "provenance": {
        "deposit_id": "5LEL",
        "doi": "10.1038/s41598-017-11472-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5LEL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of DARPin-DARPin rigid fusion, variant DD_Off7_10_3G124 in complex with Maltose-binding Protein and Green Fluorescent Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 9.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5LEM",
      "evidence_id": "EV-PDB-5LEM-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.98
      },
      "provenance": {
        "deposit_id": "5LEM",
        "doi": "10.1038/s41598-017-11472-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5LEM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of DARPin-DARPin rigid fusion, variant DD_Off7_11_3G124 in complex with Maltose-binding Protein and Green Fluorescent Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5M13",
      "evidence_id": "EV-PDB-5M13-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.372
      },
      "provenance": {
        "deposit_id": "5M13",
        "doi": "10.7554/eLife.34317",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5M13"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Synthetic nanobody in complex with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5M15",
      "evidence_id": "EV-PDB-5M15-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "5M15",
        "doi": "10.7554/eLife.34317",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5M15"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Synthetic nanobody in complex with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Sugar ABC transporter substrate-binding protein,Magnetosome protein MamC,Sugar ABC transporter substrate-binding protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5MM3",
      "evidence_id": "EV-PDB-5MM3-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "5MM3",
        "doi": "10.1107/S2059798317017491",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5MM3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Unstructured MamC magnetite-binding protein located between two helices."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "PGE",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Zona pellucida sperm-binding protein 3 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5OSQ",
      "evidence_id": "EV-PDB-5OSQ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.05
      },
      "provenance": {
        "deposit_id": "5OSQ",
        "doi": "10.1038/NATURE07599",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5OSQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "ZP-N domain of mammalian sperm receptor ZP3 (crystal form II, processed in P21221)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A3P",
          "CL",
          "EDO",
          "NA",
          "NPO",
          "TLA",
          "branched: 2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltose binding protein - heparan sulfate 6-O-sulfotransferase isoform 3 fusion protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5T03",
      "evidence_id": "EV-PDB-5T03-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "5T03",
        "doi": "10.1021/acschembio.6b00841",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5T03"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of heparan sulfate 6-O-sulfotransferase with bound PAP and glucuronic acid containing hexasaccharide substrate"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A3P",
          "CL",
          "EDO",
          "NA",
          "NPO",
          "TLA",
          "branched: 2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltose binding protein - heparan sulfate 6-O-sulfotransferase isoform 3 fusion protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5T05",
      "evidence_id": "EV-PDB-5T05-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.952
      },
      "provenance": {
        "deposit_id": "5T05",
        "doi": "10.1021/acschembio.6b00841",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5T05"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of heparan sulfate 6-O-sulfotransferase with bound PAP and IdoA2S containing hexasaccharide substrate"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5V6Y",
      "evidence_id": "EV-PDB-5V6Y-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "5V6Y",
        "doi": "10.1124/mol.117.110916",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5V6Y"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the human CLR:RAMP1 extracellular domain heterodimer with bound high-affinity and altered selectivity adrenomedullin variant"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "CAC",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP fused activation-induced cytidine deaminase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5W0R",
      "evidence_id": "EV-PDB-5W0R-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "5W0R",
        "doi": "10.1016/j.molcel.2017.06.034",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5W0R"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused activation-induced cytidine deaminase (AID) in complex with cacodylic acid"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "DCM",
          "GOL",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Single-stranded DNA cytosine deaminase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5W0U",
      "evidence_id": "EV-PDB-5W0U-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "5W0U",
        "doi": "10.1016/j.molcel.2017.06.034",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5W0U"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused activation-induced cytidine deaminase (AID) in complex with dCMP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP fused activation-induced cytidine deaminase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5W0Z",
      "evidence_id": "EV-PDB-5W0Z-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.61
      },
      "provenance": {
        "deposit_id": "5W0Z",
        "doi": "10.1016/j.molcel.2017.06.034",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5W0Z"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused activation-induced cytidine deaminase (AID)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP-hMNDA-PYD (chains A,B,C,D,E,F)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5WPZ",
      "evidence_id": "EV-PDB-5WPZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "5WPZ",
        "doi": "10.1038/srep40991",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5WPZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MNDA PYD with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Two-component system sensor kinase (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5WVN",
      "evidence_id": "EV-PDB-5WVN-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "5WVN",
        "doi": "10.1002/prot.25326",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5WVN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBS-BaeS fusion protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Two-component system sensor kinase (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5WVM",
      "evidence_id": "EV-PDB-5WVM-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "5WVM",
        "doi": "10.1002/prot.25326",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5WVM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of baeS cocrystallized with 2 mM indole"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP tagged hMNDA-PYD (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5WQ6",
      "evidence_id": "EV-PDB-5WQ6-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.648
      },
      "provenance": {
        "deposit_id": "5WQ6",
        "doi": "10.1038/srep40991",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5WQ6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of hMNDA-PYD with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "CTN",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP fused activation-induced cytidine deaminase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5W1C",
      "evidence_id": "EV-PDB-5W1C-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.18
      },
      "provenance": {
        "deposit_id": "5W1C",
        "doi": "10.1016/j.molcel.2017.06.034",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5W1C"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused activation-induced cytidine deaminase (AID) in complex with cytidine"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GLU",
          "LYS",
          "MPD",
          "NA",
          "SER"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Type IV pilin PilA (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5VAW",
      "evidence_id": "EV-PDB-5VAW-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.69
      },
      "provenance": {
        "deposit_id": "5VAW",
        "doi": "10.1074/jbc.RA118.005814",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5VAW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Fusion of Maltose-binding Protein and PilA from Acinetobacter baumannii AB5075"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "FMT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Pilin isopeptide linkage domain protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5TTD",
      "evidence_id": "EV-PDB-5TTD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "5TTD",
        "doi": "10.1038/srep42753",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5TTD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Minor pilin FctB from S. pyogenes with engineered intramolecular isopeptide bond"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A3P",
          "CL",
          "EDO",
          "NA",
          "NPO",
          "TLA",
          "branched: 2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose",
          "branched: beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranuronic acid"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "maltose binding protein - heparan sulfate 6-O-sulfotransferase isoform 3 fusion protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5T0A",
      "evidence_id": "EV-PDB-5T0A-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "5T0A",
        "doi": "10.1021/acschembio.6b00841",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5T0A"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Heparan Sulfate 6-O-Sulfotransferase with bound PAP and heptasaccharide substrate"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5M14",
      "evidence_id": "EV-PDB-5M14-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.6
      },
      "provenance": {
        "deposit_id": "5M14",
        "doi": "10.7554/eLife.34317",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5M14"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Synthetic nanobody in complex with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "B3P"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Protein translocase subunit SecA,Maltose-binding periplasmic protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5K94",
      "evidence_id": "EV-PDB-5K94-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "5K94",
        "doi": "10.1002/1873-3468.12832",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5K94"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Deletion-Insertion Chimera of MBP with the Preprotein Cross-Linking Domain of the SecA ATPase"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Sugar ABC transporter substrate-binding protein,Caspase-8 chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5JQE",
      "evidence_id": "EV-PDB-5JQE-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.157
      },
      "provenance": {
        "deposit_id": "5JQE",
        "doi": "10.1016/j.molcel.2016.09.009",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5JQE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of caspase8 tDED"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "PGE",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Endoglin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5I04",
      "evidence_id": "EV-PDB-5I04-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.42
      },
      "provenance": {
        "deposit_id": "5I04",
        "doi": "10.1016/j.celrep.2017.05.011",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5I04"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the orphan region of human endoglin/CD105"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Endoglin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5HZV",
      "evidence_id": "EV-PDB-5HZV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "5HZV",
        "doi": "10.1016/j.celrep.2017.05.011",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5HZV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the zona pellucida module of human endoglin/CD105"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "PEG",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "NLRP12-PYD with MBP tag (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5H7N",
      "evidence_id": "EV-PDB-5H7N-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.849
      },
      "provenance": {
        "deposit_id": "5H7N",
        "doi": "10.1038/srep40991",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5H7N"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human NLRP12-PYD with a MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CIT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -83.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Apoptosis-associated speck-like protein containing a CARD (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5GPQ",
      "evidence_id": "EV-PDB-5GPQ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "5GPQ",
        "doi": "10.1111/febs.14514",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5GPQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of zebrafish ASC CARD Domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -83.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Apoptosis-associated speck-like protein containing a CARD (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5GPP",
      "evidence_id": "EV-PDB-5GPP-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "5GPP",
        "doi": "10.1111/febs.14514",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5GPP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of zebrafish ASC PYD domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MALTOSE-BINDING PERIPLASMIC PROTEIN, HANTAVIRUS NUCLEOPROTEIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5FSG",
      "evidence_id": "EV-PDB-5FSG-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.209
      },
      "provenance": {
        "deposit_id": "5FSG",
        "doi": "10.1016/J.CELREP.2016.02.005",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5FSG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the hantavirus nucleoprotein provides insights into the mechanism of RNA encapsidation and a template for drug design"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5E24",
      "evidence_id": "EV-PDB-5E24-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.14
      },
      "provenance": {
        "deposit_id": "5E24",
        "doi": "10.1371/journal.pbio.1002509",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5E24"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the Su(H)-Hairless-DNA Repressor Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EYC"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -196.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5CBN",
      "evidence_id": "EV-PDB-5CBN-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "5CBN",
        "doi": "10.1038/ncomms11031",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5CBN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Fusion protein of mbp3-16 and B4 domain of protein A from staphylococcal aureus with chemical cross-linker EY-CBS"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1,Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5BMY",
      "evidence_id": "EV-PDB-5BMY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.001
      },
      "provenance": {
        "deposit_id": "5BMY",
        "doi": "10.1038/srep34654",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5BMY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of hPin1 WW domain (5-21) fused with maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "TNFRSF25 death domain (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5YEV",
      "evidence_id": "EV-PDB-5YEV-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "5YEV",
        "doi": "10.1111/febs.14834",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5YEV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Murine DR3 death domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CIT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Repressor protein cI,Maltose-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5ZCA",
      "evidence_id": "EV-PDB-5ZCA-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.801
      },
      "provenance": {
        "deposit_id": "5ZCA",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5ZCA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of lambda repressor (1-20) fused with maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "FJV"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6CXS",
      "evidence_id": "EV-PDB-6CXS-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "6CXS",
        "doi": "10.1073/pnas.1918095117",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6CXS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Clostridium perfringens beta-glucuronidase bound with a novel, potent inhibitor 4-(8-(piperazin-1-yl)-1,2,3,4-tetrahydro-[1,2,3]triazino[4',5':4,5]thieno[2,3-c]isoquinolin-5-yl)morpholine"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EOH",
          "GOL",
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Dual specificity protein phosphatase 1 (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6D65",
      "evidence_id": "EV-PDB-6D65-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.348
      },
      "provenance": {
        "deposit_id": "6D65",
        "doi": "10.1107/S2053230X18009901",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6D65"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the human dual specificity phosphatase 1 catalytic domain (C258S) as a maltose binding protein fusion in complex with the designed AR protein off7"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "DAL",
          "EDO",
          "GLY",
          "PEG",
          "PG4",
          "PGE",
          "PO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Dual specificity protein phosphatase 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6D66",
      "evidence_id": "EV-PDB-6D66-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.226
      },
      "provenance": {
        "deposit_id": "6D66",
        "doi": "10.1107/S2053230X18009901",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6D66"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the human dual specificity 1 catalytic domain (C258S) as a maltose binding protein fusion in complex with the designed AR protein mbp3_16"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBL",
      "evidence_id": "EV-PDB-6DBL-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 5.0
      },
      "provenance": {
        "deposit_id": "6DBL",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBQ",
      "evidence_id": "EV-PDB-6DBQ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.22
      },
      "provenance": {
        "deposit_id": "6DBQ",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "K",
          "LMT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Nanobody,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6HD8",
      "evidence_id": "EV-PDB-6HD8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "6HD8",
        "doi": "10.7554/eLife.53683",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6HD8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the potassium channel MtTMEM175 in complex with a Nanobody-MBP fusion protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "LMT",
          "RB",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Nanobody,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6HD9",
      "evidence_id": "EV-PDB-6HD9-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.5
      },
      "provenance": {
        "deposit_id": "6HD9",
        "doi": "10.7554/eLife.53683",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6HD9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the potassium channel MtTMEM175 with rubidium"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CS",
          "LMT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Nanobody,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6HDA",
      "evidence_id": "EV-PDB-6HDA-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "6HDA",
        "doi": "10.7554/eLife.53683",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6HDA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the potassium channel MtTMEM175 with cesium"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "K",
          "LMT",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Nanobody,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6HDB",
      "evidence_id": "EV-PDB-6HDB-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "6HDB",
        "doi": "10.7554/eLife.53683",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6HDB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the potassium channel MtTMEM175 with zinc"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "K",
          "LMT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Nanobody,Maltose/maltodextrin-binding periplasmic protein,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6HDC",
      "evidence_id": "EV-PDB-6HDC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.4
      },
      "provenance": {
        "deposit_id": "6HDC",
        "doi": "10.7554/eLife.53683",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6HDC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the potassium channel MtTMEM175 T38A variant in complex with a Nanobody-MBP fusion protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Mitochondrial import inner membrane translocase subunit TIM21 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6K7D",
      "evidence_id": "EV-PDB-6K7D-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "6K7D",
        "doi": "10.1016/j.bbagen.2019.129418",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6K7D"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBPapo-Tim21 fusion protein with a 16-residue helical linker"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Mitochondrial import inner membrane translocase subunit TIM21 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6K7E",
      "evidence_id": "EV-PDB-6K7E-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.534
      },
      "provenance": {
        "deposit_id": "6K7E",
        "doi": "10.1016/j.bbagen.2019.129418",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6K7E"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBPapo-Tim21 fusion protein with a 17-residue helical linker"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "RAP"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "chimera of Maltose/maltodextrin-binding periplasmic protein and Peptidyl-prolyl cis-trans isomerase FKBP1A (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6M4V",
      "evidence_id": "EV-PDB-6M4V-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.92
      },
      "provenance": {
        "deposit_id": "6M4V",
        "doi": "10.1038/s41592-020-0913-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6M4V"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused split FKBP in complex with rapamycin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 10.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein-tyrosine kinase 2-beta (chains A,B,C,D,E,F)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6LF3",
      "evidence_id": "EV-PDB-6LF3-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "6LF3",
        "doi": "10.1038/s41598-019-56718-y",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6LF3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "3D domain-swapped dimer of the maltose-binding protein fused to a fragment of the protein-tyrosine kinase 2-beta"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 10.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Focal adhesion kinase 1 (chains A,B,X,Y)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6LES",
      "evidence_id": "EV-PDB-6LES-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.004
      },
      "provenance": {
        "deposit_id": "6LES",
        "doi": "10.1038/s41598-019-56718-y",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6LES"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "3D domain-swapped dimer of the maltose-binding protein fused to a fragment of the focal adhesion kinase"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "caspase-11-CARD (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6KXG",
      "evidence_id": "EV-PDB-6KXG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.805
      },
      "provenance": {
        "deposit_id": "6KXG",
        "doi": "10.1038/s41421-020-00201-w",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6KXG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of caspase-11-CARD"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -83.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Apoptosis-associated speck-like protein containing a CARD (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6KI0",
      "evidence_id": "EV-PDB-6KI0-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "6KI0",
        "doi": "10.1038/s41419-020-03342-8",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6KI0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Human ASC-CARD"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,LINKER,hREV7,LINKER,Invasin IpaB,hREV3 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6KEA",
      "evidence_id": "EV-PDB-6KEA-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "6KEA",
        "doi": "10.1074/jbc.RA119.010123",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6KEA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "crystal structure of MBP-tagged REV7-IpaB complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Mitochondrial import inner membrane translocase subunit TIM21 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6K7F",
      "evidence_id": "EV-PDB-6K7F-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "6K7F",
        "doi": "10.1016/j.bbagen.2019.129418",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6K7F"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBPholo-Tim21 fusion protein with a 17-residue helical linker"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose transport system, substrate-binding protein,TP53-regulated inhibitor of apoptosis 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6I4Y",
      "evidence_id": "EV-PDB-6I4Y-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.91
      },
      "provenance": {
        "deposit_id": "6I4Y",
        "doi": "10.1038/s41467-019-09089-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6I4Y"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "X-ray structure of the human mitochondrial PRELID3b-TRIAP1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Tightly bound bacterial magnetic particle protein,Maltose-binding periplasmic protein (chains A,B,D,G)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6EQZ",
      "evidence_id": "EV-PDB-6EQZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.293
      },
      "provenance": {
        "deposit_id": "6EQZ",
        "doi": "10.1107/S2059798317017491",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6EQZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "A MamC-MIC insertion in MBP scaffold at position K170"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EOH",
          "J7G"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Probable global transcription activator SNF2L2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6EG3",
      "evidence_id": "EV-PDB-6EG3-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.84
      },
      "provenance": {
        "deposit_id": "6EG3",
        "doi": "10.1021/acs.jmedchem.8b01318",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6EG3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human BRM in complex with compound 15"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "IPA",
          "J7J"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Probable global transcription activator SNF2L2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6EG2",
      "evidence_id": "EV-PDB-6EG2-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.98
      },
      "provenance": {
        "deposit_id": "6EG2",
        "doi": "10.1021/acs.jmedchem.8b01318",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6EG2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human BRM in complex with compound 16"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "6AK",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Induced myeloid leukemia cell differentiation protein Mcl-1 homolog - MBP chimera (chains A,B,C,D,E,F,G,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DM8",
      "evidence_id": "EV-PDB-6DM8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "6DM8",
        "doi": "10.1021/acs.biochem.8b00626",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DM8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Understanding the Species Selectivity of Myeloid cell leukemia-1 (Mcl-1) inhibitors"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.6,
        "salt_mM": null,
        "temperature_c": -73.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains D,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DKS",
      "evidence_id": "EV-PDB-6DKS-4",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.78
      },
      "provenance": {
        "deposit_id": "6DKS",
        "doi": "10.1016/j.celrep.2018.12.097",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DKS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the Rbpj-SHARP-DNA Repressor Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MMB-1 Cas6 Fused to Maltose Binding Protein,CRISPR-associated endonuclease Cas1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DD5",
      "evidence_id": "EV-PDB-6DD5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.85
      },
      "provenance": {
        "deposit_id": "6DD5",
        "doi": "10.1016/j.molcel.2018.09.013",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DD5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of the Cas6 Domain of Marinomonas mediterranea MMB-1 Cas6-RT-Cas1 Fusion Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBX",
      "evidence_id": "EV-PDB-6DBX-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "6DBX",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS substrate DNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBW",
      "evidence_id": "EV-PDB-6DBW-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.7
      },
      "provenance": {
        "deposit_id": "6DBW",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS substrate DNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBV",
      "evidence_id": "EV-PDB-6DBV-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.29
      },
      "provenance": {
        "deposit_id": "6DBV",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBV",
      "evidence_id": "EV-PDB-6DBV-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.29
      },
      "provenance": {
        "deposit_id": "6DBV",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBU",
      "evidence_id": "EV-PDB-6DBU-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.9
      },
      "provenance": {
        "deposit_id": "6DBU",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBT",
      "evidence_id": "EV-PDB-6DBT-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.3
      },
      "provenance": {
        "deposit_id": "6DBT",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBR",
      "evidence_id": "EV-PDB-6DBR-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.0
      },
      "provenance": {
        "deposit_id": "6DBR",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with one melted RSS and one unmelted RSS"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBO",
      "evidence_id": "EV-PDB-6DBO-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.4
      },
      "provenance": {
        "deposit_id": "6DBO",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS substrate DNAs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBJ",
      "evidence_id": "EV-PDB-6DBJ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "6DBJ",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS nicked DNA intermediates"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Recombination activating gene 1 - MBP chimera (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6DBI",
      "evidence_id": "EV-PDB-6DBI-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.4
      },
      "provenance": {
        "deposit_id": "6DBI",
        "doi": "10.1038/s41594-018-0098-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6DBI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of RAG in complex with 12-RSS and 23-RSS nicked DNA intermediates"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "PEG",
          "PO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Dual specificity protein phosphatase 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6D67",
      "evidence_id": "EV-PDB-6D67-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.55
      },
      "provenance": {
        "deposit_id": "6D67",
        "doi": "10.1107/S2053230X18009901",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6D67"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the human dual specificity phosphatase 1 catalytic domain (C258S) as a maltose binding protein fusion (maltose bound form) in complex with the designed AR protein mbp3_16"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6D1U",
      "evidence_id": "EV-PDB-6D1U-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.05
      },
      "provenance": {
        "deposit_id": "6D1U",
        "doi": "10.1074/jbc.RA118.005062",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6D1U"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the human CLR:RAMP1 extracellular domain heterodimer in complex with adrenomedullin 2/intermedin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein, Centromere protein N chimera (chains N)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6BUZ",
      "evidence_id": "EV-PDB-6BUZ-7",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.92
      },
      "provenance": {
        "deposit_id": "6BUZ",
        "doi": "10.1126/science.aar2781",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6BUZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of CENP-A nucleosome in complex with kinetochore protein CENP-N"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.9,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Dual specificity protein phosphatase 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6APX",
      "evidence_id": "EV-PDB-6APX-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.491
      },
      "provenance": {
        "deposit_id": "6APX",
        "doi": "10.1002/pro.3328",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6APX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human dual specificity phosphatase 1 catalytic domain (C258S) as a maltose binding protein fusion in complex with the monobody YSX1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "MES",
          "PEG",
          "PGE",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "anti-CRISPR protein AcrF1 fused with C-terminal MBP tag (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6ANV",
      "evidence_id": "EV-PDB-6ANV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.265
      },
      "provenance": {
        "deposit_id": "6ANV",
        "doi": "10.1016/j.cell.2017.09.006",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6ANV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of anti-CRISPR protein AcrF1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": 21.85
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Trigger factor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5ZR0",
      "evidence_id": "EV-PDB-5ZR0-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "5ZR0",
        "doi": "10.1074/jbc.RA118.003579",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5ZR0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "Solution structure of peptidyl-prolyl cis/trans isomerase domain of Trigger Factor in complex with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Tumor necrosis factor receptor superfamily, member 25 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5ZNZ",
      "evidence_id": "EV-PDB-5ZNZ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.55
      },
      "provenance": {
        "deposit_id": "5ZNZ",
        "doi": "10.1111/febs.14834",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5ZNZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of mDR3 DD with MBP tag mutant-I387V"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Tumor necrosis factor receptor superfamily, member 25 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5ZNY",
      "evidence_id": "EV-PDB-5ZNY-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.74
      },
      "provenance": {
        "deposit_id": "5ZNY",
        "doi": "10.1111/febs.14834",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5ZNY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of mDR3_DD-C363G with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Extracellular solute-binding protein family 1,viral genome protein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5Z0V",
      "evidence_id": "EV-PDB-5Z0V-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.913
      },
      "provenance": {
        "deposit_id": "5Z0V",
        "doi": "10.1038/s41422-018-0007-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5Z0V"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structural insight into the Zika virus capsid encapsulating the viral genome"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Extracellular solute-binding protein family 1,viral genome protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5Z0R",
      "evidence_id": "EV-PDB-5Z0R-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.05
      },
      "provenance": {
        "deposit_id": "5Z0R",
        "doi": "10.1038/s41422-018-0007-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5Z0R"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structural insight into the Zika virus capsid encapsulating the viral genome"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Human TNRSF25 death domain (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5YGS",
      "evidence_id": "EV-PDB-5YGS-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.691
      },
      "provenance": {
        "deposit_id": "5YGS",
        "doi": "10.1111/febs.14834",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5YGS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human TNFRSF25 death domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "TNFRSF25 death domain (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5YGP",
      "evidence_id": "EV-PDB-5YGP-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.09
      },
      "provenance": {
        "deposit_id": "5YGP",
        "doi": "10.1111/febs.14834",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5YGP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human TNFRSF25 death domain mutant-D412E"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -83.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Protein B (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/5Y2G",
      "evidence_id": "EV-PDB-5Y2G-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "5Y2G",
        "doi": "10.1107/S205979831901057X",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/5Y2G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP tagged GBS CAMP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "JLE",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QZ7",
      "evidence_id": "EV-PDB-6QZ7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "6QZ7",
        "doi": "10.1021/acs.jmedchem.9b00134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QZ7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 8b"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,De novo design protein D53 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7FBD",
      "evidence_id": "EV-PDB-7FBD-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.85
      },
      "provenance": {
        "deposit_id": "7FBD",
        "doi": "10.1038/s41586-021-04383-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7FBD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "De novo design protein D53 with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.24,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,De novo design protein D22 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7FBC",
      "evidence_id": "EV-PDB-7FBC-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.85
      },
      "provenance": {
        "deposit_id": "7FBC",
        "doi": "10.1038/s41586-021-04383-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7FBC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "De novo design protein D22 with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,de novo designed protein D12 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7FBB",
      "evidence_id": "EV-PDB-7FBB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.307
      },
      "provenance": {
        "deposit_id": "7FBB",
        "doi": "10.1038/s41586-021-04383-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7FBB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "De novo design protein D12 with MBP tag"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,ISWI one complex protein 4 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7E29",
      "evidence_id": "EV-PDB-7E29-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.303
      },
      "provenance": {
        "deposit_id": "7E29",
        "doi": "10.1093/nar/gkac077",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7E29"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of Saccharomyces cerevisiae Ioc4 PWWP domain fused with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Aspartyl aminopeptidase 1,ZZ-type zinc finger-containing protein P35G2.11c,Maltose/maltodextrin-binding periplasmic protein (chains A,C,E,G,I,K,M,O,Q,S,V,X)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7DDE",
      "evidence_id": "EV-PDB-7DDE-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.26
      },
      "provenance": {
        "deposit_id": "7DDE",
        "doi": "10.15252/embj.2020107497",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7DDE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the Ape4 and Nbr1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Alpha-mannosidase,ZZ-type zinc finger-containing protein P35G2.11c,Maltose/maltodextrin-binding periplasmic protein (chains A,C,E,G)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7DD9",
      "evidence_id": "EV-PDB-7DD9-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "7DD9",
        "doi": "10.15252/embj.2020107497",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7DD9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the Ams1 and Nbr1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ASC",
          "EDO",
          "FE2",
          "IPA"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -100.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,5-methylcytosine-modifying enzyme 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7CY8",
      "evidence_id": "EV-PDB-7CY8-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "7CY8",
        "doi": "10.1038/s41467-021-21061-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7CY8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of CMD1 in complex with 5mC-DNA and vitamin C"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "FE2",
          "IPA"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,5-methylcytosine-modifying enzyme 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7CY7",
      "evidence_id": "EV-PDB-7CY7-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.15
      },
      "provenance": {
        "deposit_id": "7CY7",
        "doi": "10.1038/s41467-021-21061-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7CY7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of CMD1 in complex with DNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "FE2",
          "PG4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,5-methylcytosine-modifying enzyme 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7CY6",
      "evidence_id": "EV-PDB-7CY6-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "7CY6",
        "doi": "10.1038/s41467-021-21061-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7CY6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of CMD1 in complex with 5mC-DNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ASC",
          "CIT",
          "FE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,5-methylcytosine-modifying enzyme 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7CY5",
      "evidence_id": "EV-PDB-7CY5-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "7CY5",
        "doi": "10.1038/s41467-021-21061-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7CY5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of CMD1 in complex with vitamin C"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CIT",
          "FE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,5-methylcytosine-modifying enzyme 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7CY4",
      "evidence_id": "EV-PDB-7CY4-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "7CY4",
        "doi": "10.1038/s41467-021-21061-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7CY4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of CMD1 in apo form"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose Binding Protein tag, linker,CENP-C (chains K,L)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7BY0",
      "evidence_id": "EV-PDB-7BY0-7",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.5
      },
      "provenance": {
        "deposit_id": "7BY0",
        "doi": "10.15252/embj.2020105671",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7BY0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The cryo-EM structure of CENP-A nucleosome in complex with the phosphorylated CENP-C"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Centromere protein N (chains M,N)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7BXT",
      "evidence_id": "EV-PDB-7BXT-8",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "7BXT",
        "doi": "10.15252/embj.2020105671",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7BXT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The cryo-EM structure of CENP-A nucleosome in complex with CENP-C peptide and CENP-N N-terminal domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Islet amyloid polypeptide (chains A,B,D,E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7BG0",
      "evidence_id": "EV-PDB-7BG0-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.89
      },
      "provenance": {
        "deposit_id": "7BG0",
        "doi": "10.1021/acs.jmedchem.1c00565",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7BG0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Fusion of MBP and the backbone of the long-acting amylin analog AM833."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Maltodextrin-binding protein,Maltodextrin-binding protein,ADAMTS13 CUB12,A disintegrin and metalloproteinase with thrombospondin motifs 13,A disintegrin and metalloproteinase with thrombospondin motifs 13,A disintegrin and metalloproteinase with thrombospondin motifs 13 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7B01",
      "evidence_id": "EV-PDB-7B01-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "7B01",
        "doi": "10.1126/sciadv.abg4403",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7B01"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "ADAMTS13-CUB12"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PG4",
          "QLQ",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6ZHO",
      "evidence_id": "EV-PDB-6ZHO-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.6
      },
      "provenance": {
        "deposit_id": "6ZHO",
        "doi": "10.1021/acs.jmedchem.0c01003",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6ZHO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CGRP receptor ectodomain heterodimer with bound high affinity inhibitor"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PJQ"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Short transient receptor potential channel 5 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6YSN",
      "evidence_id": "EV-PDB-6YSN-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "6YSN",
        "doi": "10.1038/s42003-020-01437-8",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6YSN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Human TRPC5 in complex with Pico145 (HC-608)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "OK5",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6YBL",
      "evidence_id": "EV-PDB-6YBL-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "6YBL",
        "doi": "10.1021/acs.jmedchem.0c01234",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6YBL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 9m"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "OK2",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6YBK",
      "evidence_id": "EV-PDB-6YBK-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "6YBK",
        "doi": "10.1021/acs.jmedchem.0c01234",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6YBK"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 4d"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "OJW",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6YBJ",
      "evidence_id": "EV-PDB-6YBJ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "6YBJ",
        "doi": "10.1021/acs.jmedchem.0c01234",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6YBJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 3e"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "EDO",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein, Mosquito protein AZ1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6XRX",
      "evidence_id": "EV-PDB-6XRX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "6XRX",
        "doi": "10.1073/pnas.2019251118",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6XRX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the mosquito protein AZ1 as an MBP fusion"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "DMS",
          "V5S",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Sugar ABC transporter substrate-binding protein,Triggering receptor expressed on myeloid cells 2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6XDS",
      "evidence_id": "EV-PDB-6XDS-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.466
      },
      "provenance": {
        "deposit_id": "6XDS",
        "doi": "10.1016/j.pep.2020.105796",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6XDS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-TREM2 Ig domain fusion with fragment, 2-((4-bromophenyl)amino)ethan-1-ol"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CAC",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein, C->U-editing enzyme APOBEC-1 chimera (chains A,B,C,D,E,F,G,H)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6X91",
      "evidence_id": "EV-PDB-6X91-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.51
      },
      "provenance": {
        "deposit_id": "6X91",
        "doi": "10.1093/narcan/zcaa027",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6X91"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused human APOBEC1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.8,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6WGZ",
      "evidence_id": "EV-PDB-6WGZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "6WGZ",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6WGZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of HyBcl-2-4 with HyBak1 BH3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "SO4",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Reversion-inducing cysteine-rich protein with Kazal motifs fusion (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6WBJ",
      "evidence_id": "EV-PDB-6WBJ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.651
      },
      "provenance": {
        "deposit_id": "6WBJ",
        "doi": "10.1073/pnas.2006332117",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6WBJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "High resolution crystal structure of mRECK(CC4) in fusion with engineered MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Reversion-inducing cysteine-rich protein with Kazal motifs fusion (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6WBH",
      "evidence_id": "EV-PDB-6WBH-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.455
      },
      "provenance": {
        "deposit_id": "6WBH",
        "doi": "10.1073/pnas.2006332117",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6WBH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of mRECK(CC4) in fusion with engineered MBP at medium resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PEG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Vip3Aa (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6VLS",
      "evidence_id": "EV-PDB-6VLS-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "6VLS",
        "doi": "10.3390/toxins12070438",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6VLS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of C-terminal fragment of Vip3A toxin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "FMT",
          "NH2",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.3,
        "salt_mM": null,
        "temperature_c": -168.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 2,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6V2E",
      "evidence_id": "EV-PDB-6V2E-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.83
      },
      "provenance": {
        "deposit_id": "6V2E",
        "doi": "10.1021/acsptsci.0c00031",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6V2E"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the human CLR:RAMP2 extracellular domain heterodimer with bound high-affinity adrenomedullin S45R/K46L/S48G/Q50W variant"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -0.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6USM",
      "evidence_id": "EV-PDB-6USM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.37
      },
      "provenance": {
        "deposit_id": "6USM",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6USM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of nuclease domain of human parvovirus B19 non-structural protein 1 in complex with zinc"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6TZC",
      "evidence_id": "EV-PDB-6TZC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.41
      },
      "provenance": {
        "deposit_id": "6TZC",
        "doi": "10.3390/v11090789",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6TZC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal Structure of African Swine Fever Virus A179L with the Autophagy Regulator Beclin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "K",
          "LMT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Nanobody, Maltose/maltodextrin-binding periplasmic protein,Maltodextrin-binding protein,Maltose/maltodextrin-binding periplasmic protein (chains A,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6SWR",
      "evidence_id": "EV-PDB-6SWR-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "6SWR",
        "doi": "10.7554/eLife.53683",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6SWR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the lysosomal potassium channel MtTMEM175 T38A mutant soaked with zinc"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,CREB-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6SQC",
      "evidence_id": "EV-PDB-6SQC-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.28
      },
      "provenance": {
        "deposit_id": "6SQC",
        "doi": "10.1039/d0sc04482b",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6SQC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of complex between nuclear coactivator binding domain of CBP and [1040-1086]ACTR containing alpha-methylated Leu1055 and Leu1076"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PEG",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.8,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein E6,Mastermind-like protein 1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6SMV",
      "evidence_id": "EV-PDB-6SMV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.14
      },
      "provenance": {
        "deposit_id": "6SMV",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6SMV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of HPV49 E6 protein in complex with MAML1 LxxLL motif"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein E6,Ubiquitin-protein ligase E3A (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6SLM",
      "evidence_id": "EV-PDB-6SLM-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "6SLM",
        "doi": "10.1128/JVI.00730-20",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6SLM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of full-length HPV31 E6 oncoprotein in complex with LXXLL peptide of ubiquitin ligase E6AP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.8,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Interferon regulatory factor 3 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6SJA",
      "evidence_id": "EV-PDB-6SJA-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.5
      },
      "provenance": {
        "deposit_id": "6SJA",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6SJA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of HPV16 E6 oncoprotein in complex with IRF3 LxxLL motif"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Interferon regulatory factor 3 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6SIV",
      "evidence_id": "EV-PDB-6SIV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.752
      },
      "provenance": {
        "deposit_id": "6SIV",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6SIV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of HPV16 E6 oncoprotein in complex with mutant IRF3 LxxLL motif"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "JLH",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QYO",
      "evidence_id": "EV-PDB-6QYO-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "6QYO",
        "doi": "10.1021/acs.jmedchem.9b00134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QYO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 18a"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "JL8",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QYN",
      "evidence_id": "EV-PDB-6QYN-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "6QYN",
        "doi": "10.1021/acs.jmedchem.9b00134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QYN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 10d"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "JLE",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QYL",
      "evidence_id": "EV-PDB-6QYL-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "6QYL",
        "doi": "10.1021/acs.jmedchem.9b00134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QYL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 8a"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "JLB",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QYK",
      "evidence_id": "EV-PDB-6QYK-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "6QYK",
        "doi": "10.1021/acs.jmedchem.9b00134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QYK"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 7a"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "JKQ",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QXJ",
      "evidence_id": "EV-PDB-6QXJ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.7
      },
      "provenance": {
        "deposit_id": "6QXJ",
        "doi": "10.1021/acs.jmedchem.9b00134",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QXJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with compound 6a"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CU",
          "PO4",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Nucleoporin, putative (chains A,B,C,D,E,F,G,H,I,J,K,L)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QUG",
      "evidence_id": "EV-PDB-6QUG-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "6QUG",
        "doi": "10.1107/S2059798320013741",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QUG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "GHK tagged MBP-Nup98(1-29)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "J1N",
          "NA",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6QGD",
      "evidence_id": "EV-PDB-6QGD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.8
      },
      "provenance": {
        "deposit_id": "6QGD",
        "doi": "10.1021/acsomega.9b00611",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6QGD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of human Mcl-1 in complex with thienopyrimidine inhibitor"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Fusion of Maltose-binding protein and voltage-gated sodium channel NavAb (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6P6W",
      "evidence_id": "EV-PDB-6P6W-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.0
      },
      "provenance": {
        "deposit_id": "6P6W",
        "doi": "10.1016/j.cell.2019.06.031",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6P6W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of voltage-gated sodium channel NavAb N49K/L109A/M116V/G94C/Q150C disulfide crosslinked mutant in the resting state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "FPP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.7,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6OB5",
      "evidence_id": "EV-PDB-6OB5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.208
      },
      "provenance": {
        "deposit_id": "6OB5",
        "doi": "10.1126/science.aax8780",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6OB5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Computationally-designed, modular sense/response system (S3-2D)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein, NACHT, LRR and PYD domains-containing protein 6 chimera (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6NDJ",
      "evidence_id": "EV-PDB-6NDJ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.27
      },
      "provenance": {
        "deposit_id": "6NDJ",
        "doi": "10.1073/pnas.1817221116",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6NDJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human NLRP6 PYD domain with MBP fusion"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Guanine nucleotide-binding protein G(t) subunit alpha-2 (chains M)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6N85",
      "evidence_id": "EV-PDB-6N85-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "6N85",
        "doi": "10.1038/s41467-019-11088-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6N85"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Resistance to inhibitors of cholinesterase 8A (Ric8A) protein in complex with MBP-tagged transducin-alpha residues 327-350"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Guanine nucleotide-binding protein G(t) subunit alpha-2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6N84",
      "evidence_id": "EV-PDB-6N84-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.75
      },
      "provenance": {
        "deposit_id": "6N84",
        "doi": "10.1038/s41467-019-11088-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6N84"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-fusion protein of transducin-alpha residues 327-350"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "RAP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "chimera of Maltose/maltodextrin-binding periplasmic protein and Peptidyl-prolyl cis-trans isomerase FKBP1A (chains A,B,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/6M4W",
      "evidence_id": "EV-PDB-6M4W-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.11
      },
      "provenance": {
        "deposit_id": "6M4W",
        "doi": "10.1038/s41592-020-0913-x",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/6M4W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused split FKBP-FRB T2098L mutant in complex with rapamycin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ATP",
          "MN",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Protein phosphatase 1 regulatory subunit 15A,Maltose/maltodextrin-binding periplasmic protein (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7NZM",
      "evidence_id": "EV-PDB-7NZM-5",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.96
      },
      "provenance": {
        "deposit_id": "7NZM",
        "doi": "10.1038/s41594-021-00666-7",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7NZM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of pre-dephosphorylation complex of phosphorylated eIF2alpha with trapped holophosphatase (PP1A_D64A/PPP1R15A/G-actin/DNase I)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT0",
      "evidence_id": "EV-PDB-7TT0-5",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.3
      },
      "provenance": {
        "deposit_id": "7TT0",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP class 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT6",
      "evidence_id": "EV-PDB-7TT6-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.3
      },
      "provenance": {
        "deposit_id": "7TT6",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP in the intermediate-open EspP state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT7",
      "evidence_id": "EV-PDB-7TT7-5",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.8
      },
      "provenance": {
        "deposit_id": "7TT7",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP in the barrelized EspP/continuous open BamA state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein E6 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7UAJ",
      "evidence_id": "EV-PDB-7UAJ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.25
      },
      "provenance": {
        "deposit_id": "7UAJ",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7UAJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of apo HPV16 E6"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NCA",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -180.15
      },
      "construct": {
        "description": "MBP-fused OspC3 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7WR3",
      "evidence_id": "EV-PDB-7WR3-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.87
      },
      "provenance": {
        "deposit_id": "7WR3",
        "doi": "10.1038/s41594-022-00888-3",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7WR3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused OspC3 in complex with calmodulin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Gastrin-releasing peptide receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7W40",
      "evidence_id": "EV-PDB-7W40-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "7W40",
        "doi": "10.1073/pnas.2216230120",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7W40"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM Structure of Human Gastrin Releasing Peptide Receptor in complex with the agonist Bombesin (6-14) [D-Phe6, beta-Ala11, Phe13, Nle14] and Gq heterotrimers"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Gastrin-releasing peptide receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7W3Z",
      "evidence_id": "EV-PDB-7W3Z-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "7W3Z",
        "doi": "10.1073/pnas.2216230120",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7W3Z"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM Structure of Human Gastrin Releasing Peptide Receptor in complex with the agonist Gastrin Releasing Peptide and Gq heterotrimers"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Ams1, Nbr1 and malE fusion protein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VQO",
      "evidence_id": "EV-PDB-7VQO-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.19
      },
      "provenance": {
        "deposit_id": "7VQO",
        "doi": "10.1038/s41467-022-31439-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VQO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of Ams1 bound to the FW domain of Nbr1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN8",
      "evidence_id": "EV-PDB-7VN8-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.04
      },
      "provenance": {
        "deposit_id": "7VN8",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning GTCACGTGAC"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN7",
      "evidence_id": "EV-PDB-7VN7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.11
      },
      "provenance": {
        "deposit_id": "7VN7",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning GACACGTGTC"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN6",
      "evidence_id": "EV-PDB-7VN6-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.79
      },
      "provenance": {
        "deposit_id": "7VN6",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning CGCACGTGCG"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN5",
      "evidence_id": "EV-PDB-7VN5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "7VN5",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning TTCACGTGAA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN4",
      "evidence_id": "EV-PDB-7VN4-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "7VN4",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning TCCACGTGGA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN3",
      "evidence_id": "EV-PDB-7VN3-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.94
      },
      "provenance": {
        "deposit_id": "7VN3",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning CACACGTGTG"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -178.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Protein BRASSINAZOLE-RESISTANT 1 (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VN2",
      "evidence_id": "EV-PDB-7VN2-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.42
      },
      "provenance": {
        "deposit_id": "7VN2",
        "doi": "10.1038/s41477-022-01289-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VN2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning ATCACGTGAT"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,RING finger protein Z (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VH1",
      "evidence_id": "EV-PDB-7VH1-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "7VH1",
        "doi": "10.1038/s41467-021-26432-3",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VH1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of Machupo virus dimeric L-Z complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,RING finger protein Z (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7VGQ",
      "evidence_id": "EV-PDB-7VGQ-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.0
      },
      "provenance": {
        "deposit_id": "7VGQ",
        "doi": "10.1038/s41467-021-26432-3",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7VGQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of Machupo virus polymerase L in complex with matrix protein Z"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,POU domain, class 5, transcription factor 1 (chains L,M)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7U0I",
      "evidence_id": "EV-PDB-7U0I-7",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "7U0I",
        "doi": "10.1016/j.molcel.2023.05.030",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7U0I"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of LIN28b nucleosome bound 2 OCT4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,POU domain, class 5, transcription factor 1 (chains K,L,M)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7U0G",
      "evidence_id": "EV-PDB-7U0G-7",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "7U0G",
        "doi": "10.1016/j.molcel.2023.05.030",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7U0G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "structure of LIN28b nucleosome bound 3 OCT4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT5",
      "evidence_id": "EV-PDB-7TT5-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.3
      },
      "provenance": {
        "deposit_id": "7TT5",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP in the open-sheet EspP state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT4",
      "evidence_id": "EV-PDB-7TT4-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "7TT4",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP class 6"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT3",
      "evidence_id": "EV-PDB-7TT3-6",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.3
      },
      "provenance": {
        "deposit_id": "7TT3",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP class 5"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT2",
      "evidence_id": "EV-PDB-7TT2-6",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "7TT2",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP class 3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TT1",
      "evidence_id": "EV-PDB-7TT1-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.3
      },
      "provenance": {
        "deposit_id": "7TT1",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TT1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP class 4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Serine protease EspP chimera (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7TSZ",
      "evidence_id": "EV-PDB-7TSZ-6",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.5
      },
      "provenance": {
        "deposit_id": "7TSZ",
        "doi": "10.1016/j.cell.2022.02.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7TSZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BamABCDE bound to substrate EspP class 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Putative pilin protein chimera (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7T31",
      "evidence_id": "EV-PDB-7T31-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "7T31",
        "doi": "10.1016/j.jbc.2022.102449",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7T31"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "X-ray Structure of Clostridiodies difficile PilW"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Ribonucleoside-diphosphate reductase large subunit (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7RW6",
      "evidence_id": "EV-PDB-7RW6-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.55
      },
      "provenance": {
        "deposit_id": "7RW6",
        "doi": "10.1126/sciadv.abm2827",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7RW6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "BORF2-APOBEC3Bctd Complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Autotransporter outer membrane beta-barrel domain-containing protein chimera (chains G)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7RJ5",
      "evidence_id": "EV-PDB-7RJ5-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 7.0
      },
      "provenance": {
        "deposit_id": "7RJ5",
        "doi": "10.1038/s41467-021-27449-4",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7RJ5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The structure of BAM in complex with EspP at 7 Angstrom resolution"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ATP",
          "CA"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,RTX-toxin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7P1H",
      "evidence_id": "EV-PDB-7P1H-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.9
      },
      "provenance": {
        "deposit_id": "7P1H",
        "doi": "10.1038/s41467-021-26889-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7P1H"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the V. vulnificus ExoY-G-actin-profilin complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "GH3",
          "MG",
          "PO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Adenylate cyclase ExoY (chains K,L,M,N,O)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7P1G",
      "evidence_id": "EV-PDB-7P1G-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "7P1G",
        "doi": "10.1038/s41467-021-26889-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7P1G"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the P. aeruginosa ExoY-F-actin complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "7IU",
          "PG4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7P0I",
      "evidence_id": "EV-PDB-7P0I-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "7P0I",
        "doi": "10.1021/acschemneuro.1c00696",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7P0I"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CGRP receptor ectodomain heterodimer bound to macrocyclic inhibitor Compound 13"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "7IR",
          "PG4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7P0F",
      "evidence_id": "EV-PDB-7P0F-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.85
      },
      "provenance": {
        "deposit_id": "7P0F",
        "doi": "10.1021/acschemneuro.1c00696",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7P0F"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CGRP receptor ectodomain heterodimer bound to macrocyclic inhibitor HTL0028125"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "P6G",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "ProMacrobody 21 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7OMT",
      "evidence_id": "EV-PDB-7OMT-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.0
      },
      "provenance": {
        "deposit_id": "7OMT",
        "doi": "10.1038/s41467-022-29459-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7OMT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of ProMacrobody 21 with bound maltose"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "ProMacrobody 51,Maltodextrin-binding protein (chains D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7OMM",
      "evidence_id": "EV-PDB-7OMM-4",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.4
      },
      "provenance": {
        "deposit_id": "7OMM",
        "doi": "10.1038/s41467-022-29459-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7OMM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of N. gonorhoeae LptDE in complex with ProMacrobodies (MBPs have not been built de novo)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "ProMacrobody 21,Maltodextrin-binding protein (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7OMM",
      "evidence_id": "EV-PDB-7OMM-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.4
      },
      "provenance": {
        "deposit_id": "7OMM",
        "doi": "10.1038/s41467-022-29459-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7OMM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of N. gonorhoeae LptDE in complex with ProMacrobodies (MBPs have not been built de novo)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Guanine nucleotide exchange protein SMCR8,Guanine nucleotide exchange protein SMCR8,Maltose/maltodextrin-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7O2W",
      "evidence_id": "EV-PDB-7O2W-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "7O2W",
        "doi": "10.1371/journal.pbio.3001344",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7O2W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the C9orf72-SMCR8 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -196.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MQ7",
      "evidence_id": "EV-PDB-7MQ7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.95
      },
      "provenance": {
        "deposit_id": "7MQ7",
        "doi": "10.1002/bit.27927",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MQ7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Tetragonal Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "AU",
          "CL",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -196.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MQ6",
      "evidence_id": "EV-PDB-7MQ6-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.372
      },
      "provenance": {
        "deposit_id": "7MQ6",
        "doi": "10.1002/bit.27927",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MQ6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Tetragonal Maltose Binding Protein in the presence of gold"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MN8",
      "evidence_id": "EV-PDB-7MN8-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.45
      },
      "provenance": {
        "deposit_id": "7MN8",
        "doi": "10.1038/s41586-021-04084-z",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MN8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the HER2/HER3/NRG1b Heterodimer Extracellular Domain bound to Trastuzumab Fab"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MN6",
      "evidence_id": "EV-PDB-7MN6-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.09
      },
      "provenance": {
        "deposit_id": "7MN6",
        "doi": "10.1038/s41586-021-04084-z",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MN6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the HER2 S310F/HER3/NRG1b Heterodimer Extracellular Domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Receptor tyrosine-protein kinase erbB-2,Maltose/maltodextrin-binding periplasmic protein (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MN5",
      "evidence_id": "EV-PDB-7MN5-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.93
      },
      "provenance": {
        "deposit_id": "7MN5",
        "doi": "10.1038/s41586-021-04084-z",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MN5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the HER2/HER3/NRG1b Heterodimer Extracellular Domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.9,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "ALK and LTK ligand 1,Maltodextrin-binding protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MK7",
      "evidence_id": "EV-PDB-7MK7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.42815184462
      },
      "provenance": {
        "deposit_id": "7MK7",
        "doi": "10.1038/s41586-021-04141-7",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MK7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Augmentor domain of augmentor-beta"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Outer membrane lipoprotein omp19 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7MHW",
      "evidence_id": "EV-PDB-7MHW-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.55
      },
      "provenance": {
        "deposit_id": "7MHW",
        "doi": "10.1016/j.csbj.2022.08.054",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7MHW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the protease inhibitor U-Omp19 from Brucella abortus fused to Maltose-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "AMP",
          "ATP",
          "TAK",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin ABC transporter substrate-binding protein MalE (chains M)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7M74",
      "evidence_id": "EV-PDB-7M74-4",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.93
      },
      "provenance": {
        "deposit_id": "7M74",
        "doi": "10.1126/science.abe7565",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7M74"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "ATP-bound AMP-activated protein kinase"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -163.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein and Phosphoprotein fusion protein (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7KD4",
      "evidence_id": "EV-PDB-7KD4-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.312
      },
      "provenance": {
        "deposit_id": "7KD4",
        "doi": "10.3390/v13091737",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7KD4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the C-terminal domain of the Menangle virus phosphoprotein (residues 329 -388), fused to MBP. Space group P21."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Ion transport protein,Sodium channel protein type 9 subunit alpha chimera (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7K48",
      "evidence_id": "EV-PDB-7K48-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.6
      },
      "provenance": {
        "deposit_id": "7K48",
        "doi": "10.1016/j.molcel.2020.10.039",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7K48"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of NavAb/Nav1.7-VS2A chimera trapped in the resting state by tarantula toxin m3-Huwentoxin-IV"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A,C,E,G)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7JTR",
      "evidence_id": "EV-PDB-7JTR-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "7JTR",
        "doi": "10.1002/pro.4088",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7JTR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Complex of maltose-binding protein (MBP) with single-chain Fv (scFv)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "AMP",
          "ATP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin ABC transporter substrate-binding protein MalE (chains M)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7JIJ",
      "evidence_id": "EV-PDB-7JIJ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 5.5
      },
      "provenance": {
        "deposit_id": "7JIJ",
        "doi": "10.1126/science.abe7565",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7JIJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "ATP-bound AMP-activated protein kinase"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "AMP",
          "ATP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains M)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7JHH",
      "evidence_id": "EV-PDB-7JHH-4",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.92
      },
      "provenance": {
        "deposit_id": "7JHH",
        "doi": "10.1126/science.abe7565",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7JHH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of ATP-bound fully inactive AMPK in complex with Fab and nanobody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "AMP",
          "ATP",
          "TAK",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains M)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7JHG",
      "evidence_id": "EV-PDB-7JHG-4",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.47
      },
      "provenance": {
        "deposit_id": "7JHG",
        "doi": "10.1126/science.abe7565",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7JHG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of ATP-bound fully inactive AMPK in complex with Dorsomorphin (Compound C) and Fab-nanobody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "OK5",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8EKX",
      "evidence_id": "EV-PDB-8EKX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.55
      },
      "provenance": {
        "deposit_id": "8EKX",
        "doi": "10.1038/s43856-023-00380-z",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8EKX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with MIK665"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "WLW",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8EL0",
      "evidence_id": "EV-PDB-8EL0-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.917
      },
      "provenance": {
        "deposit_id": "8EL0",
        "doi": "10.1038/s43856-023-00380-z",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8EL0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with a macrocyclic compound"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "WME",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8EL1",
      "evidence_id": "EV-PDB-8EL1-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.406
      },
      "provenance": {
        "deposit_id": "8EL1",
        "doi": "10.1038/s43856-023-00380-z",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8EL1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of MBP-Mcl-1 in complex with ABBV-467"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CDL",
          "GTP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Pro-Macrobody 65, Maltose/maltodextrin-binding periplasmic protein chimera (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8G8W",
      "evidence_id": "EV-PDB-8G8W-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "8G8W",
        "doi": "10.1126/sciadv.adh4251",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8G8W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Molecular mechanism of nucleotide inhibition of human uncoupling protein 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CDL",
          "GTP",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Pro-macrobody 71, Maltose/maltodextrin-binding periplasmic protein chimera (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8G8W",
      "evidence_id": "EV-PDB-8G8W-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "8G8W",
        "doi": "10.1126/sciadv.adh4251",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8G8W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Molecular mechanism of nucleotide inhibition of human uncoupling protein 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein E6 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8GCR",
      "evidence_id": "EV-PDB-8GCR-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.38
      },
      "provenance": {
        "deposit_id": "8GCR",
        "doi": "10.1038/s41467-024-45920-w",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8GCR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "HPV16 E6-E6AP-p53 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8SBU",
      "evidence_id": "EV-PDB-8SBU-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "8SBU",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8SBU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fusion with HPPK from Methanocaldococcus jannaschii"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,EspP(b7-12) (chains F)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8SQB",
      "evidence_id": "EV-PDB-8SQB-6",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "8SQB",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8SQB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The cryo-EM structure of the EcBAM/EspP(beta7-12) complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP and AF9 AHD fusion protein 3AQA (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8TLW",
      "evidence_id": "EV-PDB-8TLW-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.106
      },
      "provenance": {
        "deposit_id": "8TLW",
        "doi": "10.1002/pro.5019",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8TLW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP and AF9 AHD fusion protein 3AQA in complex with peptidomimetic inhibitor 28"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GSH",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP and AF9 AHD fusion protein 4AQK (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8TLV",
      "evidence_id": "EV-PDB-8TLV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.659
      },
      "provenance": {
        "deposit_id": "8TLV",
        "doi": "10.1002/pro.5019",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8TLV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP and AF9 AHD fusion protein 4AQK in complex with peptidomimetic inhibitor 28"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "DMS",
          "MG",
          "PGE",
          "YI7",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein/Induced myeloid leukemia cell differentiation protein Mcl-1 Chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8T6F",
      "evidence_id": "EV-PDB-8T6F-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.56
      },
      "provenance": {
        "deposit_id": "8T6F",
        "doi": "10.1038/s43018-024-00814-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8T6F"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human MBP-Myeloid cell leukemia 1 (Mcl-1) in complex with BRD810 inhibitor"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains M)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8T2I",
      "evidence_id": "EV-PDB-8T2I-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 10.4
      },
      "provenance": {
        "deposit_id": "8T2I",
        "doi": "10.1016/j.xplc.2023.100639",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8T2I"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Negative stain EM assembly of MYC, JAZ, and NINJA complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "GOL",
          "WUC",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein, Induced myeloid leukemia cell differentiation protein Mcl-1 chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8SVY",
      "evidence_id": "EV-PDB-8SVY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.47
      },
      "provenance": {
        "deposit_id": "8SVY",
        "doi": "10.1021/acsmedchemlett.3c00141",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8SVY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "MBP-Mcl1 in complex with ligand 10"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Autotransporter protein EspP translocator (chains F)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8SQA",
      "evidence_id": "EV-PDB-8SQA-6",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "8SQA",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8SQA"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The cryo-EM structure of the EcBAM/EspP(beta8-12) complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "CST complex subunit CTC1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8SOK",
      "evidence_id": "EV-PDB-8SOK-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.1
      },
      "provenance": {
        "deposit_id": "8SOK",
        "doi": "10.1016/j.cell.2024.05.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8SOK"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of human CST bound to POT1(ESDL)/TPP1 in the presence of telomeric ssDNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "CST complex subunit CTC1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8SOJ",
      "evidence_id": "EV-PDB-8SOJ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "8SOJ",
        "doi": "10.1016/j.cell.2024.05.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8SOJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of human CST bound to POT1(ESDL)/TPP1 in the absence of telomeric ssDNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "WXW",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8QSO",
      "evidence_id": "EV-PDB-8QSO-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.106
      },
      "provenance": {
        "deposit_id": "8QSO",
        "doi": "10.1021/acs.jmedchem.3c02206",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8QSO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of human Mcl-1 in complex with compound 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.4,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Gasdermin-like protein rcd-1-1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8JYX",
      "evidence_id": "EV-PDB-8JYX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "8JYX",
        "doi": "10.1126/science.adm9190",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8JYX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the gasdermin-like protein RCD-1-1 from Neurospora crassa"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "V6X"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Immunoglobulin G-binding protein A,Immunoglobulin G-binding protein G (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8JXS",
      "evidence_id": "EV-PDB-8JXS-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "8JXS",
        "doi": "10.1016/j.neuron.2024.07.003",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8JXS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of nanobody-bound DRD1_PF-6142 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "7LD",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Immunoglobulin G-binding protein A,Immunoglobulin G-binding protein G (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8JXR",
      "evidence_id": "EV-PDB-8JXR-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.57
      },
      "provenance": {
        "deposit_id": "8JXR",
        "doi": "10.1016/j.neuron.2024.07.003",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8JXR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of nanobody-bound DRD1_LSD complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Hemorrhagic toxin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8JI0",
      "evidence_id": "EV-PDB-8JI0-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "8JI0",
        "doi": "10.1038/s41467-024-46394-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8JI0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the TcsH-CROP in complex with TMPRSS2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein PML (chains A,E)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8J2P",
      "evidence_id": "EV-PDB-8J2P-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.09
      },
      "provenance": {
        "deposit_id": "8J2P",
        "doi": "10.1158/2159-8290.CD-23-0453",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8J2P"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of PML B-box2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein PML (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8J25",
      "evidence_id": "EV-PDB-8J25-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "8J25",
        "doi": "10.1158/2159-8290.CD-23-0453",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8J25"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of PML B-box2 mutant"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,YEATS domain-containing protein 4 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8IIZ",
      "evidence_id": "EV-PDB-8IIZ-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "8IIZ",
        "doi": "10.1073/pnas.2304103120",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8IIZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused GAS41 YEATS domain in complex with H3K27ac peptide"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,YEATS domain-containing protein 4 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8IIY",
      "evidence_id": "EV-PDB-8IIY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.15
      },
      "provenance": {
        "deposit_id": "8IIY",
        "doi": "10.1073/pnas.2304103120",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8IIY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP fused GAS41 YEATS domain in complex with H3K14ac peptide"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Tumor necrosis factor receptor superfamily member 1B,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8HLB",
      "evidence_id": "EV-PDB-8HLB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.63
      },
      "provenance": {
        "deposit_id": "8HLB",
        "doi": "10.1038/s42003-023-05326-8",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8HLB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of biparatopic antibody Bp109-92 in complex with TNFR2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Pappalysin-1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8HGH",
      "evidence_id": "EV-PDB-8HGH-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.16
      },
      "provenance": {
        "deposit_id": "8HGH",
        "doi": "10.1038/s41421-022-00502-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8HGH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of 2:2 PAPP-A.STC2 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EPE",
          "GLY",
          "MG",
          "OGA",
          "PEG",
          "TRS",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,DNA N6-methyl adenine demethylase (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8H68",
      "evidence_id": "EV-PDB-8H68-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.2
      },
      "provenance": {
        "deposit_id": "8H68",
        "doi": "10.1093/jmcb/mjad008",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8H68"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of Caenorhabditis elegans NMAD-1 in complex with NOG and Mg(II)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein (Fragment),OrfB_Zn_ribbon domain-containing protein (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8GKH",
      "evidence_id": "EV-PDB-8GKH-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "8GKH",
        "doi": "10.1038/s41586-023-06356-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8GKH"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of the Spizellomyces punctatus Fanzor (SpuFz) in complex with omega RNA and target DNA"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein, phiPA3 PhuN (chains A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8FV5",
      "evidence_id": "EV-PDB-8FV5-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.21
      },
      "provenance": {
        "deposit_id": "8FV5",
        "doi": "10.1038/s41467-023-36526-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8FV5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Representation of 16-mer phiPA3 PhuN Lattice, p2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein, PhuN (chains A,B,C,D,E,F,G,H)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8FNE",
      "evidence_id": "EV-PDB-8FNE-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.9
      },
      "provenance": {
        "deposit_id": "8FNE",
        "doi": "10.1038/s41467-023-36526-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8FNE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "phiPA3 PhuN Tetramer, p2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Zinc Sensor protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8F23",
      "evidence_id": "EV-PDB-8F23-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.93
      },
      "provenance": {
        "deposit_id": "8F23",
        "doi": "10.1039/d3sc00437f",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8F23"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The crystal structure of a rationally designed zinc sensor based on maltose binding protein - Apo conformation"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Zinc Sensor protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8ETB",
      "evidence_id": "EV-PDB-8ETB-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.63
      },
      "provenance": {
        "deposit_id": "8ETB",
        "doi": "10.1039/d3sc00437f",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8ETB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "the crystal structure of a rationally designed zinc sensor based on maltose binding protein - Zn binding conformation"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "EDO",
          "EPE",
          "PEG",
          "PGE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Putative pilin protein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8DX4",
      "evidence_id": "EV-PDB-8DX4-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.487
      },
      "provenance": {
        "deposit_id": "8DX4",
        "doi": "10.1016/j.jbc.2022.102449",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8DX4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Clostridioides difficile R20291 minor pilin - PilW fused with Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "PEG",
          "PO4"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Chromatin assembly factor 1 subunit p90 fusion (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8DEI",
      "evidence_id": "EV-PDB-8DEI-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.81
      },
      "provenance": {
        "deposit_id": "8DEI",
        "doi": "10.7554/eLife.83538",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8DEI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the Cac1 KER domain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Type III secretion protein PcrV (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8CRB",
      "evidence_id": "EV-PDB-8CRB-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.6
      },
      "provenance": {
        "deposit_id": "8CRB",
        "doi": "10.1016/j.cell.2023.10.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8CRB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of PcrV/Fab(11-E5)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Type III secretion protein PcrV (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8CR9",
      "evidence_id": "EV-PDB-8CR9-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.2
      },
      "provenance": {
        "deposit_id": "8CR9",
        "doi": "10.1016/j.cell.2023.10.002",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8CR9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of PcrV/Fab(30-B8)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Apolipoprotein E (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8CE0",
      "evidence_id": "EV-PDB-8CE0-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.75
      },
      "provenance": {
        "deposit_id": "8CE0",
        "doi": "10.1186/s13024-023-00620-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8CE0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "N-terminal domain of human apolipoprotein E"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Apolipoprotein E (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8CDY",
      "evidence_id": "EV-PDB-8CDY-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "8CDY",
        "doi": "10.1186/s13024-023-00620-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8CDY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "N-terminal domain of human apolipoprotein E"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PEG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8C8F",
      "evidence_id": "EV-PDB-8C8F-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.15
      },
      "provenance": {
        "deposit_id": "8C8F",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8C8F"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of the E. coli maltodextrin-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Nuclear receptor subfamily 2 group F member 6 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8C5L",
      "evidence_id": "EV-PDB-8C5L-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.6
      },
      "provenance": {
        "deposit_id": "8C5L",
        "doi": "10.1021/acschembio.5c00475",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8C5L"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "NR2F6 ligand binding domain in complex with NSD1 peptide"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Apolipoprotein E (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8AX9",
      "evidence_id": "EV-PDB-8AX9-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.549
      },
      "provenance": {
        "deposit_id": "8AX9",
        "doi": "10.1186/s13024-023-00620-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8AX9"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human Apolipoprotein E4 (ApoE4) N-terminal domain (space group P212121)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Apolipoprotein E (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8AX8",
      "evidence_id": "EV-PDB-8AX8-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.551
      },
      "provenance": {
        "deposit_id": "8AX8",
        "doi": "10.1186/s13024-023-00620-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8AX8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human Apolipoprotein E4 (ApoE4) N-terminal domain (space group P3121)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACT",
          "OL0",
          "PG4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8AX7",
      "evidence_id": "EV-PDB-8AX7-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.65
      },
      "provenance": {
        "deposit_id": "8AX7",
        "doi": "10.1021/acsmedchemlett.2c00400",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8AX7"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CGRP receptor ectodomain heterodimer bound to macrocyclic inhibitor HTL0031448"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "OP9",
          "PG4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8AX6",
      "evidence_id": "EV-PDB-8AX6-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.9
      },
      "provenance": {
        "deposit_id": "8AX6",
        "doi": "10.1021/acsmedchemlett.2c00400",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8AX6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CGRP receptor ectodomain heterodimer bound to macrocyclic inhibitor HTL0029882"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "OKU",
          "PG4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -193.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Receptor activity-modifying protein 1,Calcitonin gene-related peptide type 1 receptor (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8AX5",
      "evidence_id": "EV-PDB-8AX5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.75
      },
      "provenance": {
        "deposit_id": "8AX5",
        "doi": "10.1021/acsmedchemlett.2c00400",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8AX5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of a CGRP receptor ectodomain heterodimer bound to macrocyclic inhibitor HTL0029881"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 4.6,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,TP53-regulated inhibitor of apoptosis 1 (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8AG0",
      "evidence_id": "EV-PDB-8AG0-2",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.7
      },
      "provenance": {
        "deposit_id": "8AG0",
        "doi": "10.1016/j.bbapap.2022.140867",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8AG0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of mutant PRELID3a-TRIAP1 complex - R53E"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "APR",
          "MG",
          "NCA"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,TccC3 (chains F)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7Z7H",
      "evidence_id": "EV-PDB-7Z7H-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "7Z7H",
        "doi": "10.1038/s41467-022-31836-w",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7Z7H"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of P. luminescens TccC3-F-actin complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Pappalysin-1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7Y5Q",
      "evidence_id": "EV-PDB-7Y5Q-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "7Y5Q",
        "doi": "10.1038/s41421-022-00502-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7Y5Q"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of 1:1 PAPP-A.STC2 complex(half map)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "PEG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Fusion protein of Maltose-binding periplasmic protein and RNA-binding protein KhpA (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7XQC",
      "evidence_id": "EV-PDB-7XQC-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "7XQC",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7XQC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of N-terminal domain of Rv2908c fused with Maltose Binding Protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MES",
          "NAG",
          "NNH",
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltodextrin-binding protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/7XMN",
      "evidence_id": "EV-PDB-7XMN-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "7XMN",
        "doi": "10.1128/spectrum.01234-23",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/7XMN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of SARS-CoV-2 ORF8"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "MBP and AF9 AHD fusion protein 3AQA (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8TLX",
      "evidence_id": "EV-PDB-8TLX-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.097
      },
      "provenance": {
        "deposit_id": "8TLX",
        "doi": "10.1002/pro.5019",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8TLX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of MBP and AF9 AHD fusion protein 3AQA in complex with peptidomimetic inhibitor 21a"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "Y70",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,SD40 (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8TNP",
      "evidence_id": "EV-PDB-8TNP-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.3
      },
      "provenance": {
        "deposit_id": "8TNP",
        "doi": "10.1126/science.adk4422",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8TNP"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of DDB1dB:CRBN:Pomalidomide:SD40"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MIQ",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,SD40 (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8TNQ",
      "evidence_id": "EV-PDB-8TNQ-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.41
      },
      "provenance": {
        "deposit_id": "8TNQ",
        "doi": "10.1126/science.adk4422",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8TNQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of DDB1dB:CRBN:PT-179:SD40, conformation 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MIQ",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,SD40 (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8TNR",
      "evidence_id": "EV-PDB-8TNR-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.5
      },
      "provenance": {
        "deposit_id": "8TNR",
        "doi": "10.1126/science.adk4422",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8TNR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of DDB1dB:CRBN:PT-179:SD40, conformation 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Transcription factor GATA-4 (chains T)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VG0",
      "evidence_id": "EV-PDB-8VG0-7",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.07
      },
      "provenance": {
        "deposit_id": "8VG0",
        "doi": "10.1016/j.molcel.2024.07.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VG0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of GATA4 in complex with ALBN1 nucleosome"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein fused to apoptosis regulator Bcl-2/Bcl-xL chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VWX",
      "evidence_id": "EV-PDB-8VWX-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.77
      },
      "provenance": {
        "deposit_id": "8VWX",
        "doi": "10.1021/acs.analchem.4c04516",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VWX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human Bcl-2 (G101V Mutant)/Bcl-xL Chimera Fused to Maltose-Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "F3Q",
          "PEG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein fused to apoptosis regulator Bcl-2/Bcl-xL chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VXM",
      "evidence_id": "EV-PDB-8VXM-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "8VXM",
        "doi": "10.1021/acs.analchem.4c04516",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VXM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human Bcl-2/Bcl-xL Chimera Fused to MBP in Complex with Inhibitor S55746"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Chromatin modification-related protein EAF6 (chains L)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8X2X",
      "evidence_id": "EV-PDB-8X2X-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.8
      },
      "provenance": {
        "deposit_id": "8X2X",
        "doi": "10.1073/pnas.2414490122",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8X2X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The piccolo NuA4 bound to the H2A.Z nucleosome complex at pre-H4-acetylation state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Chromatin modification-related protein EAF6 (chains L)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8X2Y",
      "evidence_id": "EV-PDB-8X2Y-6",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.1
      },
      "provenance": {
        "deposit_id": "8X2Y",
        "doi": "10.1073/pnas.2414490122",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8X2Y"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The class1 of piccolo NuA4 bound to the H2A.Z nucleosome complex at harboring state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,NACHT, LRR and PYD domains-containing protein 5 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8X7V",
      "evidence_id": "EV-PDB-8X7V-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.01
      },
      "provenance": {
        "deposit_id": "8X7V",
        "doi": "10.1038/s41594-024-01396-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8X7V"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of human SCMC ternary complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,NACHT, LRR and PYD domains-containing protein 5 (chains A,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8X7W",
      "evidence_id": "EV-PDB-8X7W-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.36
      },
      "provenance": {
        "deposit_id": "8X7W",
        "doi": "10.1038/s41594-024-01396-2",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8X7W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of dimeric human SCMC complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8YBE",
      "evidence_id": "EV-PDB-8YBE-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.3
      },
      "provenance": {
        "deposit_id": "8YBE",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8YBE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "GOL"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,N-terminal Bte1 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8ZHS",
      "evidence_id": "EV-PDB-8ZHS-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.4
      },
      "provenance": {
        "deposit_id": "8ZHS",
        "doi": "10.1016/j.chom.2025.01.008",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8ZHS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of Mbp-Bte1 fusion protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ACH"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Vesicular acetylcholine transporter,DARPinoff7 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8ZMS",
      "evidence_id": "EV-PDB-8ZMS-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "8ZMS",
        "doi": "10.1038/s41422-024-00986-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8ZMS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Acetylcholine-bound VAChT"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "GPR15 (chains R)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8ZQE",
      "evidence_id": "EV-PDB-8ZQE-5",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.9
      },
      "provenance": {
        "deposit_id": "8ZQE",
        "doi": "10.1038/s41421-024-00698-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8ZQE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the GPR15L(C11)-bound GPR15 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1ALT",
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Induced myeloid leukemia cell differentiation protein Mcl-1 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9BCG",
      "evidence_id": "EV-PDB-9BCG-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.898
      },
      "provenance": {
        "deposit_id": "9BCG",
        "doi": "10.1021/acs.jmedchem.4c01188",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9BCG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Myeloid cell leukemia-1 (Mcl-1) complexed with compound"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "NAG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Immunoglobulin G-binding protein A,Immunoglobulin G-binding protein G (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9BDE",
      "evidence_id": "EV-PDB-9BDE-4",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.18
      },
      "provenance": {
        "deposit_id": "9BDE",
        "doi": "10.1038/s41586-024-08223-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9BDE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Middle Region of Apolipoprotein B 100 bound to Low Density Lipoprotein Receptor"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "42H"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "mVenus,Maltose/maltodextrin-binding periplasmic protein,Protein spinster homolog 1,Designed ankyrin repeat protein (DARPin) (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9BOI",
      "evidence_id": "EV-PDB-9BOI-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.22
      },
      "provenance": {
        "deposit_id": "9BOI",
        "doi": "10.1073/pnas.2409596121",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9BOI"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of human Spns1 in complex with LPC (18:1)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Guillardia theta Fanzor1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CES",
      "evidence_id": "EV-PDB-9CES-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.28
      },
      "provenance": {
        "deposit_id": "9CES",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CES"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Guillardia theta Fanzor (GtFz) State 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Guillardia theta Fanzor1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CET",
      "evidence_id": "EV-PDB-9CET-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "9CET",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CET"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Guillardia theta Fanzor (GtFz) State 3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Spizellomyces punctatus Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CEU",
      "evidence_id": "EV-PDB-9CEU-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.29
      },
      "provenance": {
        "deposit_id": "9CEU",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CEU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Spizellomyces punctatus Fanzor (SpuFz) State 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Spizellomyces punctatus Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CEV",
      "evidence_id": "EV-PDB-9CEV-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.26
      },
      "provenance": {
        "deposit_id": "9CEV",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CEV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Spizellomyces punctatus Fanzor (SpuFz) State 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Spizellomyces punctatus Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CEW",
      "evidence_id": "EV-PDB-9CEW-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.88
      },
      "provenance": {
        "deposit_id": "9CEW",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CEW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Spizellomyces punctatus Fanzor (SpuFz) State 3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Spizellomyces punctatus Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CEY",
      "evidence_id": "EV-PDB-9CEY-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.22
      },
      "provenance": {
        "deposit_id": "9CEY",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CEY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Spizellomyces punctatus Fanzor (SpuFz) State 5"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Spizellomyces punctatus Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CEZ",
      "evidence_id": "EV-PDB-9CEZ-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.41
      },
      "provenance": {
        "deposit_id": "9CEZ",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CEZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Spizellomyces punctatus Fanzor (SpuFz) State 6"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Parasitella parasitica Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CF0",
      "evidence_id": "EV-PDB-9CF0-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.47
      },
      "provenance": {
        "deposit_id": "9CF0",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CF0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Parasitella parasitica Fanzor (PpFz) State 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Parasitella parasitica Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CF1",
      "evidence_id": "EV-PDB-9CF1-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.52
      },
      "provenance": {
        "deposit_id": "9CF1",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CF1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Parasitella parasitica Fanzor (PpFz) State 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Parasitella parasitica Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CF2",
      "evidence_id": "EV-PDB-9CF2-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.15
      },
      "provenance": {
        "deposit_id": "9CF2",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CF2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Parasitella parasitica Fanzor (PpFz) State 3"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Parasitella parasitica Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CF3",
      "evidence_id": "EV-PDB-9CF3-4",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.2
      },
      "provenance": {
        "deposit_id": "9CF3",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CF3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Parasitella parasitica Fanzor (PpFz) State 4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CD",
          "EDO",
          "NA",
          "PEG",
          "PGE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CLC",
      "evidence_id": "EV-PDB-9CLC-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.48
      },
      "provenance": {
        "deposit_id": "9CLC",
        "doi": "10.1002/anie.202421000",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CLC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose binding protein (Apo), mutant Trp10 to 4-Cyanotryptophan"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CD",
          "EDO",
          "NA",
          "PEG",
          "PGE"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CLD",
      "evidence_id": "EV-PDB-9CLD-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 1.58
      },
      "provenance": {
        "deposit_id": "9CLD",
        "doi": "10.1002/anie.202421000",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CLD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of maltose binding protein (Apo)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "NAG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Immunoglobulin G-binding protein A,Immunoglobulin G-binding protein G (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9COO",
      "evidence_id": "EV-PDB-9COO-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.73
      },
      "provenance": {
        "deposit_id": "9COO",
        "doi": "10.1038/s41586-024-08223-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9COO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Nanobody 4 bound to Apolipoprotein B 100"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1A4L",
          "ADP",
          "CPS"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,NACHT, LRR and PYD domains-containing protein 3 chimera (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9DH3",
      "evidence_id": "EV-PDB-9DH3-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.76
      },
      "provenance": {
        "deposit_id": "9DH3",
        "doi": "10.1038/s44321-024-00181-4",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9DH3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of NLRP3 complex with Compound C"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A,C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9FGV",
      "evidence_id": "EV-PDB-9FGV-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.39
      },
      "provenance": {
        "deposit_id": "9FGV",
        "doi": "10.1038/s41589-025-01972-7",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9FGV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of MBP homo-dimer assembled by homo Di-Gluebody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9FKQ",
      "evidence_id": "EV-PDB-9FKQ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.45
      },
      "provenance": {
        "deposit_id": "9FKQ",
        "doi": "10.1038/s41589-025-01972-7",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9FKQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of MBP homo-dimer assembled by homo Di-Gluebody - MBP local refinement"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "6UZ",
          "A1IHM",
          "A1IHN",
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Pro-Macrobody 5,Maltose/maltodextrin-binding periplasmic protein (chains D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9FYQ",
      "evidence_id": "EV-PDB-9FYQ-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.25
      },
      "provenance": {
        "deposit_id": "9FYQ",
        "doi": "10.1038/s41467-025-59545-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9FYQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of native SV2A in complex with TeNT-Hc, gangliosides and Pro-Macrobody 5"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Bacterial antiviral defense protein Ec1ApeA from Escherichia coli strain NCTC8008 (chains A,B,C,D,E,F,G,H,I,J)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9HXN",
      "evidence_id": "EV-PDB-9HXN-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.23
      },
      "provenance": {
        "deposit_id": "9HXN",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9HXN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Bacterial antiviral defense protein Ec1ApeA from Escherichia coli strain NCTC8008"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Bacterial antiviral defense protein Ec3ApeA from Escherichia coli strain KK-NP016 (chains A,B,C,D,E,F,G,H,I,J,K,L)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9HXJ",
      "evidence_id": "EV-PDB-9HXJ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "9HXJ",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9HXJ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Bacterial antiviral defense protein Ec3ApeA from Escherichia coli strain KK-NP016"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "6UZ",
          "NAG",
          "UKX",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Pro-Macrobody 5,Maltose/maltodextrin-binding periplasmic protein,Maltose/maltodextrin-binding periplasmic protein (chains D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9FYR",
      "evidence_id": "EV-PDB-9FYR-3",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.6
      },
      "provenance": {
        "deposit_id": "9FYR",
        "doi": "10.1038/s41467-025-59545-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9FYR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of native SV2A in complex with TeNT-Hc, Pro-Macrobody 5 and Levetiracetam"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Spizellomyces punctatus Fanzor 1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CEX",
      "evidence_id": "EV-PDB-9CEX-4",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.27
      },
      "provenance": {
        "deposit_id": "9CEX",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CEX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Spizellomyces punctatus Fanzor (SpuFz) State 4"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Guillardia theta Fanzor1 (chains P)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9CER",
      "evidence_id": "EV-PDB-9CER-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.7
      },
      "provenance": {
        "deposit_id": "9CER",
        "doi": "10.1016/j.cell.2024.07.050",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9CER"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Guillardia theta Fanzor (GtFz) State 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CA",
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltodextrin-binding protein,Immunoglobulin G-binding protein A,Immunoglobulin G-binding protein G (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9BDT",
      "evidence_id": "EV-PDB-9BDT-4",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 5.4
      },
      "provenance": {
        "deposit_id": "9BDT",
        "doi": "10.1038/s41586-024-08223-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9BDT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Apolipoprotein B 100 bound to LDL receptor and legobody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1LWL"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Vesicular acetylcholine transporter,DARPinoff7 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8ZMR",
      "evidence_id": "EV-PDB-8ZMR-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.5
      },
      "provenance": {
        "deposit_id": "8ZMR",
        "doi": "10.1038/s41422-024-00986-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8ZMR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Vesamicol-bound VAChT"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "GFP-MBP-solute carrier family 6 member 2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8XB4",
      "evidence_id": "EV-PDB-8XB4-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.92
      },
      "provenance": {
        "deposit_id": "8XB4",
        "doi": "10.1038/s41586-024-07810-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8XB4"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of apo state of the human Norepinephrine Transporter"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "YMN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "GFP-MBP-solute carrier family 6 member 2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8XB3",
      "evidence_id": "EV-PDB-8XB3-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "8XB3",
        "doi": "10.1038/s41586-024-07810-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8XB3"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structural mechanism of substrate binding and inhibition of the human Norepinephrine Transporter"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "YNT"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "GFP-MBP-solute carrier family 6 member 2,Maltose/maltodextrin-binding periplasmic protein,Sodium-dependent noradrenaline transporter,Maltose/maltodextrin-binding periplasmic protein,Sodium-dependent noradrenaline transporter (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8XB2",
      "evidence_id": "EV-PDB-8XB2-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.04
      },
      "provenance": {
        "deposit_id": "8XB2",
        "doi": "10.1038/s41586-024-07810-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8XB2"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of radafaxine-bound state of the human Norepinephrine Transporter"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 8.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein fused to apoptosis regulator Bcl-2/Bcl-xL chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VXN",
      "evidence_id": "EV-PDB-8VXN-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.09
      },
      "provenance": {
        "deposit_id": "8VXN",
        "doi": "10.1021/acs.analchem.4c04516",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VXN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human Bcl-2/Bcl-xL Chimera Fused to Maltose-Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "F3Q",
          "PEG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.5,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein fused to apoptosis regulator Bcl-2/Bcl-xL chimera (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VWZ",
      "evidence_id": "EV-PDB-8VWZ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.33
      },
      "provenance": {
        "deposit_id": "8VWZ",
        "doi": "10.1021/acs.analchem.4c04516",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VWZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Human Bcl-2 (G101V Mutant)/Bcl-xL Chimera Fused to MBP in Complex with Inhibitor S55746"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 5.0,
        "salt_mM": null,
        "temperature_c": -90.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Mucin-16 (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VRS",
      "evidence_id": "EV-PDB-8VRS-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.47
      },
      "provenance": {
        "deposit_id": "8VRS",
        "doi": "10.1186/s13048-024-01373-9",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VRS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Mucin 16 peptide fused to MBP in complex with 4H11-scFv antibody"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Transcription factor GATA-4 (chains T)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/8VG1",
      "evidence_id": "EV-PDB-8VG1-8",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.48
      },
      "provenance": {
        "deposit_id": "8VG1",
        "doi": "10.1016/j.molcel.2024.07.016",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/8VG1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of FoxA1 and GATA4 in complex with ALBN1 nucleosome"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKU",
      "evidence_id": "EV-PDB-9SKU-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.06
      },
      "provenance": {
        "deposit_id": "9SKU",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKU"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA in reducing conditions, hexamer"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1EF9",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Phosphoprotein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VUM",
      "evidence_id": "EV-PDB-9VUM-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.84
      },
      "provenance": {
        "deposit_id": "9VUM",
        "doi": "10.1073/pnas.2522978123",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VUM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the Nipah virus RNA-dependent RNA polymerase complex bound to allosteric inhibitor ERDRP-0519"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1EF9",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,RNA-directed RNA polymerase L (chains L)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VUM",
      "evidence_id": "EV-PDB-9VUM-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.84
      },
      "provenance": {
        "deposit_id": "9VUM",
        "doi": "10.1073/pnas.2522978123",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VUM"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the Nipah virus RNA-dependent RNA polymerase complex bound to allosteric inhibitor ERDRP-0519"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Probable G-protein coupled receptor 75,Maltose/maltodextrin-binding periplasmic protein (chains R)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9XQC",
      "evidence_id": "EV-PDB-9XQC-5",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.0
      },
      "provenance": {
        "deposit_id": "9XQC",
        "doi": "10.1038/s41401-025-01720-6",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9XQC"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "A composite Cryo-EM structure of GPR75"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9XKO",
      "evidence_id": "EV-PDB-9XKO-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.35
      },
      "provenance": {
        "deposit_id": "9XKO",
        "doi": "10.1038/s41467-026-71934-7",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9XKO"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "High-resolution cryo-EM structure of Maltose Binding Protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Reverse transcriptase domain-containing protein (chains A,B,C,D,E,F)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9WY8",
      "evidence_id": "EV-PDB-9WY8-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.69
      },
      "provenance": {
        "deposit_id": "9WY8",
        "doi": "10.1016/j.bbrc.2025.152955",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9WY8"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the hexameric DRT6"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "ATP",
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Midnolin (chains f)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9WBG",
      "evidence_id": "EV-PDB-9WBG-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 4.23
      },
      "provenance": {
        "deposit_id": "9WBG",
        "doi": "10.1038/s41467-026-71002-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9WBG"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of human 26S proteasome complexed with midnolin, 19S proteasome with Ubl and Catch domain resolved"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1EMK",
          "CL",
          "NA"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "GFP,Maltose/maltodextrin-binding periplasmic protein,Sodium- and chloride-dependent betaine transporter (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9W98",
      "evidence_id": "EV-PDB-9W98-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.71
      },
      "provenance": {
        "deposit_id": "9W98",
        "doi": "10.1038/s41467-026-72924-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9W98"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of ATPCA-bound state of the human betaine/GABA transporter 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1EVN",
          "CL"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "GFP,Maltose/maltodextrin-binding periplasmic protein,Sodium- and chloride-dependent betaine transporter (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9W97",
      "evidence_id": "EV-PDB-9W97-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.84
      },
      "provenance": {
        "deposit_id": "9W97",
        "doi": "10.1038/s41467-026-72924-5",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9W97"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of BPDBA-bound state of the human betaine/GABA transporter 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Immunoglobulin G-binding protein A,Immunoglobulin G-binding protein G (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9W3K",
      "evidence_id": "EV-PDB-9W3K-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.08
      },
      "provenance": {
        "deposit_id": "9W3K",
        "doi": "10.1073/pnas.2534234123",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9W3K"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "GPR151-Legobody complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ADP",
          "ATP",
          "MG",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Midnolin (chains f)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9W39",
      "evidence_id": "EV-PDB-9W39-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.65
      },
      "provenance": {
        "deposit_id": "9W39",
        "doi": "10.1038/s41467-026-71002-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9W39"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of human 26S proteasome complexed with midnolin, 19S proteasome with Ubl bound"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ITN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Soluble cytochrome b562,2-oxoglutarate receptor 1,Soluble cytochrome b562,2-oxoglutarate receptor 1,Soluble cytochrome b562,2-oxoglutarate receptor 1,Fusion protein,Maltose/maltodextrin-binding periplasmic protein,Maltose/maltodextrin-binding periplasmic protein,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VV6",
      "evidence_id": "EV-PDB-9VV6-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.62
      },
      "provenance": {
        "deposit_id": "9VV6",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VV6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The structure of ITN bound OXGR1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "AKG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Soluble cytochrome b562,2-oxoglutarate receptor 1,Soluble cytochrome b562,2-oxoglutarate receptor 1,Soluble cytochrome b562,2-oxoglutarate receptor 1,Fusion protein,Maltose/maltodextrin-binding periplasmic protein,Maltose/maltodextrin-binding periplasmic protein,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VUS",
      "evidence_id": "EV-PDB-9VUS-5",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.37
      },
      "provenance": {
        "deposit_id": "9VUS",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VUS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "The structure of akg bound OXGR1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1EF9",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,RNA-directed RNA polymerase L,Strep II and FLAG tag (chains L)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VUL",
      "evidence_id": "EV-PDB-9VUL-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.13
      },
      "provenance": {
        "deposit_id": "9VUL",
        "doi": "10.1073/pnas.2522978123",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VUL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the human measles virus RNA-dependent RNA polymerase bound to allosteric inhibitor ERDRP-0519"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "A1EF9",
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Phosphoprotein (chains A,B,C,D)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VUL",
      "evidence_id": "EV-PDB-9VUL-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.13
      },
      "provenance": {
        "deposit_id": "9VUL",
        "doi": "10.1073/pnas.2522978123",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VUL"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of the human measles virus RNA-dependent RNA polymerase bound to allosteric inhibitor ERDRP-0519"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: beta-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Leucine-rich repeat receptor protein kinase HPCA1,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VBV",
      "evidence_id": "EV-PDB-9VBV-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.61
      },
      "provenance": {
        "deposit_id": "9VBV",
        "doi": "10.1038/s41467-026-72573-8",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VBV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of a CARD1 ectodomain H197A/H199A/H222A mutant"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "CU",
          "NAG",
          "branched: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose",
          "branched: beta-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Leucine-rich repeat receptor protein kinase HPCA1,Maltose/maltodextrin-binding periplasmic protein (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9VBD",
      "evidence_id": "EV-PDB-9VBD-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.26
      },
      "provenance": {
        "deposit_id": "9VBD",
        "doi": "10.1038/s41467-026-72573-8",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9VBD"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of CARD1 ectodomain"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.4,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Bacteroides fragilis T6SS effector (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9UU0",
      "evidence_id": "EV-PDB-9UU0-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.72
      },
      "provenance": {
        "deposit_id": "9UU0",
        "doi": "10.1073/pnas.2513207122",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9UU0"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The structure of Bacteroides fragilis T6SS effector BteO"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "branched: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Egalitarian, isoform B (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9UJY",
      "evidence_id": "EV-PDB-9UJY-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.26
      },
      "provenance": {
        "deposit_id": "9UJY",
        "doi": "10.1101/2025.08.03.668247",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9UJY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "The structure of Egalitarian in complex with the K10 mRNA localization signal reveals a modular binding surface required for function"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Protein E6 (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9U4D",
      "evidence_id": "EV-PDB-9U4D-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.39
      },
      "provenance": {
        "deposit_id": "9U4D",
        "doi": null,
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9U4D"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of UBE3A-E6-p53 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Nuclear autoantigen Sp-100 (chains A,AA,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,V,W,X,Y,Z)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9TNZ",
      "evidence_id": "EV-PDB-9TNZ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.52
      },
      "provenance": {
        "deposit_id": "9TNZ",
        "doi": "10.1038/s41556-026-01916-w",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9TNZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "SP100 CARD filament"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Zinc finger CCCH domain-containing protein 18 (chains C)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9T3X",
      "evidence_id": "EV-PDB-9T3X-3",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.1
      },
      "provenance": {
        "deposit_id": "9T3X",
        "doi": "10.1093/nar/gkag088",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9T3X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "cryo-EM structure of CPSF160-WDR33-ZC3H18"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKZ",
      "evidence_id": "EV-PDB-9SKZ-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.22
      },
      "provenance": {
        "deposit_id": "9SKZ",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKZ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA C283A/C284A inactive mutant, dimer, state 2"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKY",
      "evidence_id": "EV-PDB-9SKY-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.18
      },
      "provenance": {
        "deposit_id": "9SKY",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA C283A/C284A inactive mutant, dimer, state 1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKX",
      "evidence_id": "EV-PDB-9SKX-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.08
      },
      "provenance": {
        "deposit_id": "9SKX",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA C283A/C284A inactive mutant, hexamer"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKW",
      "evidence_id": "EV-PDB-9SKW-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.27
      },
      "provenance": {
        "deposit_id": "9SKW",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKW"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA in reducing conditions, dimer, minor state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKV",
      "evidence_id": "EV-PDB-9SKV-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.12
      },
      "provenance": {
        "deposit_id": "9SKV",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKV"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA in reducing conditions, dimer, major state, inactive conformation"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKT",
      "evidence_id": "EV-PDB-9SKT-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.45
      },
      "provenance": {
        "deposit_id": "9SKT",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKT"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA in oxidizing conditions, dimer, minor state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKS",
      "evidence_id": "EV-PDB-9SKS-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.15
      },
      "provenance": {
        "deposit_id": "9SKS",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKS"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA in oxidizing conditions, dimer, major state, active conformation"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "ZN"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Carboxysome shell carbonic anhydrase (chains A,B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9SKR",
      "evidence_id": "EV-PDB-9SKR-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 2.13
      },
      "provenance": {
        "deposit_id": "9SKR",
        "doi": "10.64898/2026.04.02.716132",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9SKR"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Cryo-EM structure of H. neapolitanus CsoSCA in oxidizing conditions, hexamer"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "SO4",
          "branched: alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 6.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,Triggering receptor expressed on myeloid cells 2 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9PX5",
      "evidence_id": "EV-PDB-9PX5-1",
      "mappings": [
        {
          "confidence": "medium",
          "justification": "Linear alpha-1,4 maltodextrin bound (branched entity); maltose and maltodextrins close MBP.",
          "rule": "mbp-maltodextrin-closed",
          "state_id": "MBP-closed-maltose",
          "who": "rule:mbp-maltodextrin-closed"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "9PX5",
        "doi": "10.1080/19420862.2025.2546554",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9PX5"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Crystal structure of Fab 7268 in complex with MBP-TREM2 Ig domain fusion"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "Maltose/maltodextrin ABC transporter substrate-binding protein MalE (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + NMR restraints",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9PGN",
      "evidence_id": "EV-PDB-9PGN-1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "structure",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "9PGN",
        "doi": "10.1002/pro.70425",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9PGN"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "Two-conformer equilibrium of maltose-binding protein in the absence of ligand from residual dipolar coupling analysis"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "BGC",
          "CA",
          "FUC",
          "MG"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Tissue factor,Maltose/maltodextrin-binding periplasmic protein (chains T)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9P0X",
      "evidence_id": "EV-PDB-9P0X-4",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "9P0X",
        "doi": "10.1182/blood.2025029430",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9P0X"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Nanodisc-embedded human TF/FVIIa/XK1 in complex with 10H10 Fab (nanodisc-subtracted)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,E3 ubiquitin-protein ligase UHRF1 (chains B)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9LN6",
      "evidence_id": "EV-PDB-9LN6-2",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.49
      },
      "provenance": {
        "deposit_id": "9LN6",
        "doi": "10.1038/s41467-026-71519-4",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9LN6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of human NLRP14-UHRF1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein,NACHT, LRR and PYD domains-containing protein 14 (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + EMDB map",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/9LN6",
      "evidence_id": "EV-PDB-9LN6-1",
      "mappings": [
        {
          "confidence": "low",
          "justification": "Structure with no maltodextrin bound; MBP is open without sugar. Many entries are MBP fusions, so low.",
          "rule": "mbp-sugar-free-open",
          "state_id": "MBP-open-apo",
          "who": "rule:mbp-sugar-free-open"
        }
      ],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "resolution",
        "uncertainty": null,
        "unit": "Å",
        "value": 3.49
      },
      "provenance": {
        "deposit_id": "9LN6",
        "doi": "10.1038/s41467-026-71519-4",
        "licence": "CC0 1.0 (wwPDB archive data)",
        "retrieved": "2026-10-19",
        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/9LN6"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "cryoem",
      "title": "Structure of human NLRP14-UHRF1 complex"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 1H chemical shifts, 15N chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=25237",
      "evidence_id": "EV-BMRB-25237",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr25237",
        "doi": "10.13018/BMR25237",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=25237"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Solution NMR Structure of Maltose-binding protein from Escherichia coli, Northeast Structural Genomics Consortium (NESG) Target ER690"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": 21.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 15N chemical shifts, 1H chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=36181",
      "evidence_id": "EV-BMRB-36181",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr36181",
        "doi": "10.13018/BMR36181",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=36181"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Solution structure of peptidyl-prolyl cis/trans isomerase domain of Trigger Factor in complex with MBP"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 15N chemical shifts, 1H chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=4354",
      "evidence_id": "EV-BMRB-4354",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr4354",
        "doi": "10.13018/BMR4354",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=4354"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Solution NMR Studies of a 42kDa Escherichia coli Maltose Binding Protein/ Beta-Cyclodextrin Complex: Chemical Shift Assignments and Analysis"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "BMRB data: 1H chemical shifts, 13C chemical shifts, 15N chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=4986",
      "evidence_id": "EV-BMRB-4986",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr4986",
        "doi": "10.13018/BMR4986",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=4986"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Backbone 1H,13C and 15N chemical shift assignment for the ligand-free state of maltodextrin-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 15N chemical shifts, 1H chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=4987",
      "evidence_id": "EV-BMRB-4987",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr4987",
        "doi": "10.13018/BMR4987",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=4987"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Backbone 1H,13C and 15N chemical shift assignment for the maltotriose-bound state of 2H,13C,15N-labeled maltodextrin-binding protein"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.5,
        "salt_mM": null,
        "temperature_c": 16.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 15N chemical shifts, 1H chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=50089",
      "evidence_id": "EV-BMRB-50089",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr50089",
        "doi": "10.13018/BMR50089",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=50089"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "MBP in the solid state"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": 7.2,
        "salt_mM": null,
        "temperature_c": 36.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 15N chemical shifts, 1H chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=6807",
      "evidence_id": "EV-BMRB-6807",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr6807",
        "doi": "10.13018/BMR6807",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=6807"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "1H, 13C, and 15N chemical shift assignments for stereo-array isotope labelled (SAIL) maltodextrin-binding protein (MBP)"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": 29.85
      },
      "construct": {
        "description": "BMRB data: 13C chemical shifts, 15N chemical shifts, 1H chemical shifts",
        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
      "data_link": "https://bmrb.io/data_library/summary/index.php?bmrbId=7114",
      "evidence_id": "EV-BMRB-7114",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "chemical_shift",
        "uncertainty": null,
        "unit": null,
        "value": null
      },
      "provenance": {
        "deposit_id": "bmr7114",
        "doi": "10.13018/BMR7114",
        "licence": "CC0 1.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "BMRB",
        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=7114"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "1H, 13C, and 15N chemical shift assignment of Escherichia coli Maltose Binding Protein complexed with Beta-Cyclodextrin"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "20 mM Na/KPO4 pH 7.0, 300 mM NaCl, 1 mM DTT",
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "partner: Survival motor neuron protein"
        ],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 11.3 nm.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": 4.0
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein with Survival motor neuron protein",
        "labels": []
      },
      "data_format": "scattering curve",
      "data_level": "processed",
      "data_link": "https://www.sasbdb.org/data/SASDL75/",
      "evidence_id": "EV-SASBDB-SASDL75",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "radius_of_gyration",
        "uncertainty": 0.373,
        "unit": "nm",
        "value": 3.909
      },
      "provenance": {
        "deposit_id": "SASDL75",
        "doi": "10.1093/nar/gkab508",
        "licence": "CC BY 4.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "SASBDB",
        "url": "https://www.sasbdb.org/data/SASDL75/"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Assembly of higher-order SMN oligomers is essential for metazoan viability and requires an exposed structural motif present in the YG zipper dimer."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "20 mM Na/KPO4 pH 7.0, 300 mM NaCl, 1 mM DTT",
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "partner: Survival motor neuron protein"
        ],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 17.9 nm.",
        "ph": 7.0,
        "salt_mM": null,
        "temperature_c": 4.0
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein with Survival motor neuron protein",
        "labels": []
      },
      "data_format": "scattering curve",
      "data_level": "processed",
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      "evidence_id": "EV-SASBDB-SASDL85",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "radius_of_gyration",
        "uncertainty": 0.599,
        "unit": "nm",
        "value": 5.577
      },
      "provenance": {
        "deposit_id": "SASDL85",
        "doi": "10.1093/nar/gkab508",
        "licence": "CC BY 4.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "SASBDB",
        "url": "https://www.sasbdb.org/data/SASDL85/"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Assembly of higher-order SMN oligomers is essential for metazoan viability and requires an exposed structural motif present in the YG zipper dimer."
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "50 mM Tris pH 7.5, 150 mM NaCl",
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "partner: Uncharacterized protein Rv2242"
        ],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 8.45 nm.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": 20.0
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (D108A, K109A, E198A, N199A, K265A) with Uncharacterized protein Rv2242",
        "labels": []
      },
      "data_format": "scattering curve",
      "data_level": "processed",
      "data_link": "https://www.sasbdb.org/data/SASDU88/",
      "evidence_id": "EV-SASBDB-SASDU88",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "radius_of_gyration",
        "uncertainty": 0.835,
        "unit": "nm",
        "value": 2.8
      },
      "provenance": {
        "deposit_id": "SASDU88",
        "doi": "10.1016/j.heliyon.2024.e40494",
        "licence": "CC BY 4.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "SASBDB",
        "url": "https://www.sasbdb.org/data/SASDU88/"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Domain architecture of the Mycobacterium tuberculosis MabR (Rv2242), a member of the PucR transcription factor family"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "50 mM Tris pH 7.5, 150 mM NaCl",
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "partner: Uncharacterized protein Rv2242"
        ],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 10.77 nm.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": 20.0
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (D108A, K109A, E198A, N199A, K265A) with Uncharacterized protein Rv2242",
        "labels": []
      },
      "data_format": "scattering curve",
      "data_level": "processed",
      "data_link": "https://www.sasbdb.org/data/SASDU98/",
      "evidence_id": "EV-SASBDB-SASDU98",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "radius_of_gyration",
        "uncertainty": 0.796,
        "unit": "nm",
        "value": 3.7
      },
      "provenance": {
        "deposit_id": "SASDU98",
        "doi": "10.1016/j.heliyon.2024.e40494",
        "licence": "CC BY 4.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "SASBDB",
        "url": "https://www.sasbdb.org/data/SASDU98/"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Domain architecture of the Mycobacterium tuberculosis MabR (Rv2242), a member of the PucR transcription factor family"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "50 mM Tris pH 7.5, 150 mM NaCl",
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "partner: Uncharacterized protein Rv2242"
        ],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 15.79 nm.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": 20.0
      },
      "construct": {
        "description": "Maltose/maltodextrin-binding periplasmic protein (D108A, K109A, E198A, N199A, K265A) with Uncharacterized protein Rv2242",
        "labels": []
      },
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      "evidence_id": "EV-SASBDB-SASDUA8",
      "mappings": [],
      "molecule_id": "P0AEX9",
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        "type": "radius_of_gyration",
        "uncertainty": 1.844,
        "unit": "nm",
        "value": 5.185
      },
      "provenance": {
        "deposit_id": "SASDUA8",
        "doi": "10.1016/j.heliyon.2024.e40494",
        "licence": "CC BY 4.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "SASBDB",
        "url": "https://www.sasbdb.org/data/SASDUA8/"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Domain architecture of the Mycobacterium tuberculosis MabR (Rv2242), a member of the PucR transcription factor family"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_silico",
        "ions": [],
        "ligands": [],
        "notes": "Computed prediction; no experimental conditions.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "AlphaFold Monomer v2.0 pipeline, residues 1-396",
        "labels": []
      },
      "data_format": "mmCIF, PAE JSON",
      "data_level": "processed",
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      "evidence_id": "EV-AFDB-AF-P0AEX9-F1",
      "mappings": [],
      "molecule_id": "P0AEX9",
      "observable": {
        "type": "plddt",
        "uncertainty": null,
        "unit": "pLDDT",
        "value": 94.25
      },
      "provenance": {
        "deposit_id": "AF-P0AEX9-F1",
        "doi": null,
        "licence": "CC BY 4.0",
        "retrieved": "2026-10-19",
        "source": "AlphaFold DB",
        "url": "https://alphafold.ebi.ac.uk/entry/P0AEX9"
      },
      "reader": null,
      "source_kind": "computed",
      "technique": "af_prediction",
      "title": "AlphaFold DB prediction AF-P0AEX9-F1"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_silico",
        "ions": [],
        "ligands": [],
        "notes": "Simulation; temperature is the thermostat setting.",
        "ph": null,
        "salt_mM": null,
        "temperature_c": 26.85
      },
      "construct": {
        "description": "start 3MBP; Amber Parm99",
        "labels": []
      },
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      "data_link": "https://mmb.mddbr.eu/#/id/A00Q4/overview",
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        "unit": "ns",
        "value": 10.0
      },
      "provenance": {
        "deposit_id": "A00Q4",
        "doi": "10.1016/j.str.2010.07.013",
        "licence": "This trajectory dataset is released under a Creative Commons Attribution 4.0 International Public License",
        "retrieved": "2026-10-19",
        "source": "MDDB",
        "url": "https://mmb.mddbr.eu/#/id/A00Q4/overview"
      },
      "reader": null,
      "source_kind": "computed",
      "technique": "md",
      "title": "MoDEL 3MBP"
    }
  ],
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    {
      "assumptions": null,
      "basis": "observed",
      "constraints_used": [
        "EV-PDB-1JW4-1"
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      "file": "models/P0AEX9/MBP-open-apo.cif",
      "format": "mmCIF",
      "model_id": "MBP-open-apo-cif",
      "molecule_id": "P0AEX9",
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        "doi": "10.1021/bi015784n",
        "licence": "CC0 1.0 (wwPDB archive data)",
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      "state_id": "MBP-open-apo"
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      "assumptions": null,
      "basis": "observed",
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      "file": "models/P0AEX9/MBP-open-apo.pdb",
      "format": "PDB",
      "model_id": "MBP-open-apo-pdb",
      "molecule_id": "P0AEX9",
      "provenance": {
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        "doi": "10.1021/bi015784n",
        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
        "url": "https://files.rcsb.org/download/1JW4.pdb"
      },
      "state_id": "MBP-open-apo"
    },
    {
      "assumptions": null,
      "basis": "observed",
      "constraints_used": [
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      ],
      "file": "models/P0AEX9/MBP-closed-maltose.cif",
      "format": "mmCIF",
      "model_id": "MBP-closed-maltose-cif",
      "molecule_id": "P0AEX9",
      "provenance": {
        "deposit_id": "1ANF",
        "doi": "10.1016/S0969-2126(97)00253-0",
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        "source": "RCSB PDB",
        "url": "https://files.rcsb.org/download/1ANF.cif"
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      "state_id": "MBP-closed-maltose"
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    {
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      "basis": "observed",
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        "EV-PDB-1ANF-1"
      ],
      "file": "models/P0AEX9/MBP-closed-maltose.pdb",
      "format": "PDB",
      "model_id": "MBP-closed-maltose-pdb",
      "molecule_id": "P0AEX9",
      "provenance": {
        "deposit_id": "1ANF",
        "doi": "10.1016/S0969-2126(97)00253-0",
        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
        "url": "https://files.rcsb.org/download/1ANF.pdb"
      },
      "state_id": "MBP-closed-maltose"
    }
  ],
  "molecule": {
    "components": [],
    "domains": [],
    "gene": "malE",
    "identifiers": {
      "genbank": null,
      "isoform": null,
      "nakb": null,
      "pdb": [],
      "rfam": null,
      "rnacentral": null,
      "uniprot": "P0AEX9"
    },
    "ligands": [],
    "modifications": [],
    "molecule_id": "P0AEX9",
    "molecule_type": "protein",
    "name": "Maltose/maltodextrin-binding periplasmic protein",
    "organism": {
      "name": "Escherichia coli (strain K12)",
      "taxon_id": 83333
    },
    "provenance": {
      "deposit_id": "P0AEX9",
      "doi": null,
      "licence": "CC BY 4.0 (UniProt)",
      "retrieved": "2026-10-19",
      "source": "UniProtKB",
      "url": "https://www.uniprot.org/uniprotkb/P0AEX9/entry"
    },
    "sequence": "MKIKTGARILALSALTTMMFSASALAKIEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLEEKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKLIAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIAADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGETAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFLENYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAFWYAVRTAVINAASGRQTVDEALKDAQTRITK",
    "sequence_length": 396
  },
  "molecule_id": "P0AEX9",
  "states": [
    {
      "assumptions": [],
      "basis": "observed",
      "description": "Ligand-free open form, as in 1JW4.",
      "family_label": null,
      "molecule_id": "P0AEX9",
      "name": "open, ligand-free",
      "parent_state": null,
      "population": null,
      "provenance": {
        "deposit_id": null,
        "doi": null,
        "licence": "Project licence (pending decision)",
        "retrieved": "2026-10-19",
        "source": "Conformome curation (P0AEX9.yaml)",
        "url": "https://github.com/matth55/conformome/blob/HEAD/curation/P0AEX9.yaml"
      },
      "representative_model": "MBP-open-apo-cif",
      "secondary_structure": null,
      "state_id": "MBP-open-apo",
      "status": "draft"
    },
    {
      "assumptions": [],
      "basis": "observed",
      "description": "Closed form with maltose bound, as in 1ANF.",
      "family_label": null,
      "molecule_id": "P0AEX9",
      "name": "closed, maltose-bound",
      "parent_state": null,
      "population": null,
      "provenance": {
        "deposit_id": null,
        "doi": null,
        "licence": "Project licence (pending decision)",
        "retrieved": "2026-10-19",
        "source": "Conformome curation (P0AEX9.yaml)",
        "url": "https://github.com/matth55/conformome/blob/HEAD/curation/P0AEX9.yaml"
      },
      "representative_model": "MBP-closed-maltose-cif",
      "secondary_structure": null,
      "state_id": "MBP-closed-maltose",
      "status": "draft"
    }
  ],
  "transitions": []
}
