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      "source_kind": "deposit",
      "technique": "xray",
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      },
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      },
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      "source_kind": "deposit",
      "technique": "nmr_structure",
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    {
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        "temperature_c": null
      },
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      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_structure",
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    {
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        "temperature_c": null
      },
      "construct": {
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      },
      "data_format": "mmCIF + NMR restraints",
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      "evidence_id": "EV-PDB-1BHB-1",
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      },
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      },
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      "source_kind": "deposit",
      "technique": "nmr_structure",
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    },
    {
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          "RET"
        ],
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        "temperature_c": 11.85
      },
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      },
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      "data_link": "https://www.rcsb.org/structure/1BM1",
      "evidence_id": "EV-PDB-1BM1-1",
      "mappings": [],
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      },
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        "url": "https://www.rcsb.org/structure/1BM1"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "CRYSTAL STRUCTURE OF BACTERIORHODOPSIN IN THE LIGHT-ADAPTED STATE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
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          "RET"
        ],
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        "temperature_c": null
      },
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        "description": "BACTERIORHODOPSIN PRECURSOR (chains A)",
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      },
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      },
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          "BGC",
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          "RET",
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        ],
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        "ph": 5.2,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "PROTEIN (BACTERIORHODOPSIN) (chains A,B,C)",
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      },
      "data_format": "mmCIF + structure factors",
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        "url": "https://www.rcsb.org/structure/1BRR"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    },
    {
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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      "evidence_id": "EV-PDB-1BRX-1",
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        "unit": "Å",
        "value": 2.3
      },
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        "url": "https://www.rcsb.org/structure/1BRX"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN/LIPID COMPLEX"
    },
    {
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        "environment": "in_vitro",
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        "ligands": [
          "LI1",
          "RET",
          "SQU"
        ],
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        "ph": 5.6,
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        "temperature_c": -173.15
      },
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      },
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      "data_link": "https://www.rcsb.org/structure/1C8R",
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        "url": "https://www.rcsb.org/structure/1C8R"
      },
      "reader": null,
      "source_kind": "deposit",
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      "title": "BACTERIORHODOPSIN D96N BR STATE AT 2.0 A RESOLUTION"
    },
    {
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          "RET",
          "SQU"
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        "temperature_c": -173.15
      },
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      },
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      },
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        "url": "https://www.rcsb.org/structure/1C8S"
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      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN D96N LATE M STATE INTERMEDIATE"
    },
    {
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        "buffer": null,
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        "ligands": [
          "HEX",
          "OCT",
          "RET",
          "TRD",
          "UND"
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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        "url": "https://www.rcsb.org/structure/1CWQ"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "M INTERMEDIATE STRUCTURE OF THE WILD TYPE BACTERIORHODOPSIN IN COMBINATION WITH THE GROUND STATE STRUCTURE"
    },
    {
      "conditions": {
        "applied_force_pn": null,
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        "ligands": [
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          "L2P",
          "L3P",
          "L4P",
          "RET",
          "branched: beta-D-galactopyranose-(1-6)-alpha-D-mannopyranose-(1-2)-alpha-D-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": "BACTERIORHODOPSIN (M INTERMEDIATE) (chains A)",
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      },
      "data_format": "mmCIF + structure factors",
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      "data_link": "https://www.rcsb.org/structure/1DZE",
      "evidence_id": "EV-PDB-1DZE-1",
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      },
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        "doi": "10.1016/J.JMB.2004.06.080",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1DZE"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the M Intermediate of Bacteriorhodopsin trapped at 100K"
    },
    {
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        "environment": "in_vitro",
        "ions": [],
        "ligands": [
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          "RET",
          "SQU"
        ],
        "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": "BACTERIORHODOPSIN (chains A)",
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      },
      "data_format": "mmCIF + structure factors",
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      "data_link": "https://www.rcsb.org/structure/1F50",
      "evidence_id": "EV-PDB-1F50-1",
      "mappings": [],
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        "doi": "10.1006/jmbi.2000.3884",
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        "url": "https://www.rcsb.org/structure/1F50"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN-BR STATE OF THE E204Q MUTANT AT 1.7 ANGSTROM RESOLUTION"
    },
    {
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        "applied_force_pn": null,
        "buffer": null,
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        ],
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        "temperature_c": -180.15
      },
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      "data_link": "https://www.rcsb.org/structure/1FBB",
      "evidence_id": "EV-PDB-1FBB-1",
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      },
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1FBB"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "microed",
      "title": "CRYSTAL STRUCTURE OF NATIVE CONFORMATION OF BACTERIORHODOPSIN"
    },
    {
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        "applied_force_pn": null,
        "buffer": null,
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          "L3P",
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          "branched: beta-D-galactopyranose-(1-6)-alpha-D-mannopyranose-(1-2)-alpha-D-glucopyranose"
        ],
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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          "L3P",
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        ],
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        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
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      },
      "data_format": "mmCIF + structure factors",
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      "source_kind": "deposit",
      "technique": "xray",
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        ],
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        "temperature_c": -173.15
      },
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      },
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      "source_kind": "deposit",
      "technique": "xray",
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        "ions": [],
        "ligands": [
          "LI1",
          "RET"
        ],
        "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": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1JV6",
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        "doi": "10.1006/jmbi.2001.5066",
        "licence": "CC0 1.0 (wwPDB archive data)",
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        "url": "https://www.rcsb.org/structure/1JV6"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    {
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          "LI1",
          "RET"
        ],
        "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": {
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      },
      "data_format": "mmCIF + structure factors",
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      },
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        "url": "https://www.rcsb.org/structure/1JV7"
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      "source_kind": "deposit",
      "technique": "xray",
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          "LI1",
          "RET"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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        "url": "https://www.rcsb.org/structure/1KG8"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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          "RET"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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        "labels": []
      },
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        "unit": "Å",
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      },
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        "licence": "CC0 1.0 (wwPDB archive data)",
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        "url": "https://www.rcsb.org/structure/1KG9"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    },
    {
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        "environment": "in_vitro",
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          "LI1",
          "RET"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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        "url": "https://www.rcsb.org/structure/1KGB"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    {
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        "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": 19.85
      },
      "construct": {
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      },
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      },
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      "source_kind": "deposit",
      "technique": "nmr_structure",
      "title": "Solution structure of Bacteriorhodopsin"
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          "LI1",
          "RET",
          "SQU"
        ],
        "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": "bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
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      "data_link": "https://www.rcsb.org/structure/1M0K",
      "evidence_id": "EV-PDB-1M0K-1",
      "mappings": [],
      "molecule_id": "P02945",
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      },
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        "doi": "10.1016/S0022-2836(02)00681-2",
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        "url": "https://www.rcsb.org/structure/1M0K"
      },
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      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN K INTERMEDIATE AT 1.43 A RESOLUTION"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "LI1",
          "RET",
          "SQU"
        ],
        "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": "BACTERIORHODOPSIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1M0L",
      "evidence_id": "EV-PDB-1M0L-1",
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      "molecule_id": "P02945",
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        "doi": "10.1016/S0022-2836(02)00681-2",
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        "url": "https://www.rcsb.org/structure/1M0L"
      },
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      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN/LIPID COMPLEX AT 1.47 A RESOLUTION"
    },
    {
      "conditions": {
        "applied_force_pn": null,
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        "environment": "in_vitro",
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        "ligands": [
          "LI1",
          "RET",
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        ],
        "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": "BACTERIORHODOPSIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1M0M",
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        "unit": "Å",
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      },
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        "doi": "10.1016/S0022-2836(02)00682-4",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1M0M"
      },
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      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN M1 INTERMEDIATE AT 1.43 A RESOLUTION"
    },
    {
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        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
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        "ligands": [
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          "K",
          "LI1",
          "RET"
        ],
        "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": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1MGY",
      "evidence_id": "EV-PDB-1MGY-1",
      "mappings": [],
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        "unit": "Å",
        "value": 2.0
      },
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        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1MGY"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Structure of the D85S mutant of bacteriorhodopsin with bromide bound"
    },
    {
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        "environment": "in_vitro",
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        "ligands": [
          "LI1",
          "RET",
          "SQU"
        ],
        "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": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1O0A",
      "evidence_id": "EV-PDB-1O0A-1",
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        "unit": "Å",
        "value": 1.62
      },
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        "doi": "10.1016/S0022-2836(03)00263-8",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1O0A"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "BACTERIORHODOPSIN L INTERMEDIATE AT 1.62 A RESOLUTION"
    },
    {
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        "environment": "in_vitro",
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        ],
        "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,
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        "temperature_c": -173.15
      },
      "construct": {
        "description": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
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      "mappings": [],
      "molecule_id": "P02945",
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      },
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        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1P8I"
      },
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      "source_kind": "deposit",
      "technique": "xray",
      "title": "F219L BACTERIORHODOPSIN MUTANT"
    },
    {
      "conditions": {
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        "environment": "in_vitro",
        "ions": [],
        "ligands": [
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        "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,
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        "temperature_c": -173.15
      },
      "construct": {
        "description": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
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      "molecule_id": "P02945",
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        "unit": "Å",
        "value": 1.62
      },
      "provenance": {
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        "doi": "10.1016/S0022-2836(03)00576-X",
        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
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      "technique": "xray",
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          "RET"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -163.15
      },
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      },
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      "technique": "xray",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -163.15
      },
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      },
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      "technique": "xray",
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        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -163.15
      },
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      },
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        ],
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        "temperature_c": -173.15
      },
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      },
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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        "temperature_c": -163.15
      },
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      "source_kind": "deposit",
      "technique": "xray",
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        "temperature_c": -173.15
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        ],
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        "temperature_c": 34.85
      },
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -173.15
      },
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        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -173.15
      },
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        "temperature_c": 34.85
      },
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        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -173.15
      },
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    {
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        "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,
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        "temperature_c": -173.15
      },
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        "url": "https://www.rcsb.org/structure/1P8H"
      },
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      "source_kind": "deposit",
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    {
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        "applied_force_pn": null,
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        "environment": "in_vitro",
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        "ligands": [
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        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 3.5,
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        "temperature_c": -163.15
      },
      "construct": {
        "description": "Bacteriorhodopsin (chains A,B)",
        "labels": []
      },
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      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/1KME",
      "evidence_id": "EV-PDB-1KME-1",
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      },
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        "doi": "10.1006/jmbi.2001.5295",
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        "url": "https://www.rcsb.org/structure/1KME"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    {
      "conditions": {
        "applied_force_pn": null,
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        "environment": "in_vitro",
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        "ligands": [
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        ],
        "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": {
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        "labels": []
      },
      "data_format": "mmCIF",
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      "data_link": "https://www.rcsb.org/structure/1FBK",
      "evidence_id": "EV-PDB-1FBK-1",
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      },
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        "deposit_id": "1FBK",
        "doi": "10.1038/35020614",
        "licence": "CC0 1.0 (wwPDB archive data)",
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        "url": "https://www.rcsb.org/structure/1FBK"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "microed",
      "title": "CRYSTAL STRUCTURE OF CYTOPLASMICALLY OPEN CONFORMATION OF BACTERIORHODOPSIN"
    },
    {
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          "LI1",
          "RET",
          "SQU"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
      "data_format": "mmCIF + structure factors",
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      "evidence_id": "EV-PDB-1F4Z-1",
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        "unit": "Å",
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      },
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        "url": "https://www.rcsb.org/structure/1F4Z"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -163.15
      },
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      },
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      },
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        "url": "https://www.rcsb.org/structure/1E0P"
      },
      "reader": null,
      "source_kind": "deposit",
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    {
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          "RET",
          "SQU"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
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      },
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      },
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        "doi": "10.1006/jmbi.1999.3027",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1C3W"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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        "doi": "10.1021/ja0317574",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/1S53"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "temperature_c": -173.15
      },
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      },
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      "technique": "xray",
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          "NO3",
          "RET"
        ],
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        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
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      },
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      "source_kind": "deposit",
      "technique": "xray",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
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        "labels": []
      },
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      },
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      "source_kind": "deposit",
      "technique": "xray",
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          "L3P",
          "RET",
          "branched: beta-D-galactopyranose-(1-6)-alpha-D-mannopyranose-(1-2)-alpha-D-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": "bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
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      "technique": "xray",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": -173.15
      },
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      },
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      },
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      "source_kind": "deposit",
      "technique": "xray",
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    {
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        "applied_force_pn": null,
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          "L3P",
          "RET",
          "SO4"
        ],
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        "ph": 2.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
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        "labels": []
      },
      "data_format": "mmCIF + structure factors",
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          "L3P",
          "RET",
          "branched: beta-D-galactopyranose-(1-6)-alpha-D-mannopyranose-(1-2)-alpha-D-glucopyranose"
        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": 10.0,
        "salt_mM": null,
        "temperature_c": -173.15
      },
      "construct": {
        "description": "Bacteriorhodopsin (chains 1)",
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      },
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        "url": "https://www.rcsb.org/structure/1X0K"
      },
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      "source_kind": "deposit",
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        "ligands": [
          "L2P",
          "L3P",
          "RET",
          "SO4",
          "branched: beta-D-galactopyranose-(1-6)-alpha-D-mannopyranose-(1-2)-alpha-D-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": {
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      },
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          "RET"
        ],
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        "ph": null,
        "salt_mM": null,
        "temperature_c": null
      },
      "construct": {
        "description": "BACTERIORHODOPSIN (chains A)",
        "labels": []
      },
      "data_format": "mmCIF",
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      },
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2BRD"
      },
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      "source_kind": "deposit",
      "technique": "microed",
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    {
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          "RET",
          "SQU"
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        "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": {
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        "labels": []
      },
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        "url": "https://www.rcsb.org/structure/2I20"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    },
    {
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        "environment": "in_vitro",
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          "RET",
          "SQU"
        ],
        "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": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
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      "evidence_id": "EV-PDB-2I21-1",
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        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
        "url": "https://www.rcsb.org/structure/2I21"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "xray",
      "title": "Bacteriorhodopsin/lipid complex, T46V mutant"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [
          "RET"
        ],
        "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": "Bacteriorhodopsin (chains A)",
        "labels": []
      },
      "data_format": "mmCIF + structure factors",
      "data_level": "processed",
      "data_link": "https://www.rcsb.org/structure/2NTU",
      "evidence_id": "EV-PDB-2NTU-1",
      "mappings": [],
      "molecule_id": "P02945",
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      },
      "provenance": {
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        "licence": "CC0 1.0 (wwPDB archive data)",
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        "source": "RCSB PDB",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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      },
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      },
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        "temperature_c": -173.15
      },
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      },
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        "ph": 3.4,
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        "temperature_c": -173.15
      },
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        ],
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      },
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        ],
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        "temperature_c": null
      },
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        ],
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        "temperature_c": null
      },
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    },
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        ],
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        "temperature_c": null
      },
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    {
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        ],
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        "temperature_c": null
      },
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      },
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      },
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      },
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      },
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        "temperature_c": -173.15
      },
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      },
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      },
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    {
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      },
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      "source_kind": "deposit",
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    {
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        "environment": "in_vitro",
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        "ligands": [
          "7YH",
          "CPS",
          "D10",
          "D12",
          "DD9",
          "HP6",
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          "OCT",
          "R16",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
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        "salt_mM": null,
        "temperature_c": 19.85
      },
      "construct": {
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        "labels": []
      },
      "data_format": "mmCIF + structure factors",
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    {
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        "ligands": [
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          "HEX",
          "LFA",
          "OLA",
          "OLC",
          "RET",
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        ],
        "notes": "Entry-level ligand list; oligosaccharides appear as branched entities. pH and temperature are null when not deposited in machine-readable fields.",
        "ph": null,
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        "temperature_c": -173.15
      },
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      },
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    {
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          "KR",
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      },
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      },
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    {
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      },
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      "source_kind": "deposit",
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    {
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        "environment": "in_vitro",
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      },
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        "description": "Bacteriorhodopsin (chains A)",
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    {
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      },
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    },
    {
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        "environment": "in_vitro",
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        ],
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        "temperature_c": 24.85
      },
      "construct": {
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        "labels": []
      },
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        "url": "https://www.rcsb.org/structure/6RNJ"
      },
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      "source_kind": "deposit",
      "technique": "xray",
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    },
    {
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        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
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        "ligands": [],
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        "temperature_c": 29.85
      },
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        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
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      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Sequence-specific 1H-NMR assignment and conformation of proteolytic fragment 163-231 of bacterioopsin"
    },
    {
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        "applied_force_pn": null,
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        "ligands": [],
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        "temperature_c": 4.85
      },
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        "labels": []
      },
      "data_format": "NMR-STAR",
      "data_level": "processed",
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        "doi": "10.13018/BMR17361",
        "licence": "CC0 1.0 (verify)",
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      },
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      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "The Conformation of Bacteriorhodopsin Loops in Purple Membranes resolved by Solid-state MAS-NMR"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": null,
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
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        "temperature_c": 29.85
      },
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      },
      "data_format": "NMR-STAR",
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      },
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        "doi": "10.13018/BMR2580",
        "licence": "CC0 1.0 (verify)",
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        "url": "https://bmrb.io/data_library/summary/index.php?bmrbId=2580"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "nmr_shifts",
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    },
    {
      "conditions": {
        "applied_force_pn": null,
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        "ligands": [],
        "notes": "From the first sample condition list of the entry.",
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        "temperature_c": 46.85
      },
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      },
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      },
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      "source_kind": "deposit",
      "technique": "nmr_shifts",
      "title": "Backbone and methyl assignment of bacteriorhodopsin incorporated into nanodiscs"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "25 mM NaH2PO4, 1.35 mM KOH, 40 mM partially-deuterated octyl glucoside mixture",
        "environment": "in_vitro",
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        "ligands": [],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 5.38 nm.",
        "ph": 5.6,
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        "temperature_c": 22.0
      },
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        "labels": []
      },
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      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Direct localization of detergents and bacteriorhodopsin in the lipidic cubic phase by small-angle neutron scattering"
    },
    {
      "conditions": {
        "applied_force_pn": null,
        "buffer": "25 mM NaH2PO4, 1.35 mM KOH, 40 mM octyl glucoside",
        "environment": "in_vitro",
        "ions": [],
        "ligands": [],
        "notes": "Other molecules in the sample are listed as partners; Rg is of the whole sample. Dmax 6.2 nm.",
        "ph": 5.6,
        "salt_mM": null,
        "temperature_c": 22.0
      },
      "construct": {
        "description": "Bacteriorhodopsin",
        "labels": []
      },
      "data_format": "scattering curve",
      "data_level": "processed",
      "data_link": "https://www.sasbdb.org/data/SASDJE4/",
      "evidence_id": "EV-SASBDB-SASDJE4",
      "mappings": [],
      "molecule_id": "P02945",
      "observable": {
        "type": "radius_of_gyration",
        "uncertainty": 0.11,
        "unit": "nm",
        "value": 2.68
      },
      "provenance": {
        "deposit_id": "SASDJE4",
        "doi": "10.1107/S2052252520013974",
        "licence": "CC BY 4.0 (verify)",
        "retrieved": "2026-10-19",
        "source": "SASBDB",
        "url": "https://www.sasbdb.org/data/SASDJE4/"
      },
      "reader": null,
      "source_kind": "deposit",
      "technique": "saxs_sans",
      "title": "Direct localization of detergents and bacteriorhodopsin in the lipidic cubic phase by small-angle neutron scattering"
    },
    {
      "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 1-262",
        "labels": []
      },
      "data_format": "mmCIF, PAE JSON",
      "data_level": "processed",
      "data_link": "https://alphafold.ebi.ac.uk/entry/P02945",
      "evidence_id": "EV-AFDB-AF-P02945-F1",
      "mappings": [],
      "molecule_id": "P02945",
      "observable": {
        "type": "plddt",
        "uncertainty": null,
        "unit": "pLDDT",
        "value": 91.75
      },
      "provenance": {
        "deposit_id": "AF-P02945-F1",
        "doi": null,
        "licence": "CC BY 4.0",
        "retrieved": "2026-10-19",
        "source": "AlphaFold DB",
        "url": "https://alphafold.ebi.ac.uk/entry/P02945"
      },
      "reader": null,
      "source_kind": "computed",
      "technique": "af_prediction",
      "title": "AlphaFold DB prediction AF-P02945-F1"
    }
  ],
  "models": [],
  "molecule": {
    "components": [],
    "domains": [],
    "gene": "bop",
    "identifiers": {
      "genbank": null,
      "isoform": null,
      "nakb": null,
      "pdb": [],
      "rfam": null,
      "rnacentral": null,
      "uniprot": "P02945"
    },
    "ligands": [],
    "modifications": [
      {
        "kind": "ptm",
        "name": "Pyrrolidone carboxylic acid",
        "position": 14,
        "source": "UniProtKB"
      },
      {
        "kind": "ptm",
        "name": "N6-(retinylidene)lysine",
        "position": 229,
        "source": "UniProtKB"
      }
    ],
    "molecule_id": "P02945",
    "molecule_type": "protein",
    "name": "Bacteriorhodopsin",
    "organism": {
      "name": "Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1)",
      "taxon_id": 64091
    },
    "provenance": {
      "deposit_id": "P02945",
      "doi": null,
      "licence": "CC BY 4.0 (UniProt)",
      "retrieved": "2026-10-19",
      "source": "UniProtKB",
      "url": "https://www.uniprot.org/uniprotkb/P02945/entry"
    },
    "sequence": "MLELLPTAVEGVSQAQITGRPEWIWLALGTALMGLGTLYFLVKGMGVSDPDAKKFYAITTLVPAIAFTMYLSMLLGYGLTMVPFGGEQNPIYWARYADWLFTTPLLLLDLALLVDADQGTILALVGADGIMIGTGLVGALTKVYSYRFVWWAISTAAMLYILYVLFFGFTSKAESMRPEVASTFKVLRNVTVVLWSAYPVVWLIGSEGAGIVPLNIETLLFMVLDVSAKVGFGLILLRSRAIFGEAEAPEPSAGDGAAATSD",
    "sequence_length": 262
  },
  "molecule_id": "P02945",
  "states": [],
  "transitions": []
}
