{
  "science_site": null,
  "structure": {
    "pdb_id": "2L89",
    "title": "Solution structure of Pdp1 PWWP domain reveals its unique binding sites for methylated H4K20 and DNA",
    "method": "[\"SOLUTION NMR\"]",
    "resolution_angstrom": null,
    "primary_classification": "APO",
    "observed_PWWP": 1,
    "review_required": 0,
    "review_reasons": "[]",
    "release_date": "2011-12-21T00:00:00.000+00:00",
    "source_url": "https://www.rcsb.org/structure/2L89",
    "coordinate_url": "https://files.rcsb.org/download/2L89.cif",
    "original_cif_sha256": "cd55ce7839b4bb6373021b267f68997b927b20cf4f29a1e22fc789674ba01207",
    "classification_status": "v1 classification retained; independent coverage/contact evidence and sampled scientific audit are separate layers"
  },
  "chains": [
    {
      "auth_asym_ids_observed": "[\"A\"]",
      "broader_scope_basis": "source Pfam feature intersecting native core; entire chain reported separately",
      "chain_id": "PDB:2L89:CHAIN:A:UP:O59676",
      "core_definition_source": "UniProtKB DOMAIN",
      "domain_id": "UP:O59676:PWWP1",
      "entity_id": "1",
      "gene": "pdp1",
      "isolated_PWWP_containing_construct_candidate": 1,
      "label_asym_id": "A",
      "mapped_construct_ranges": "[[45, 152]]",
      "native_core_end": 114,
      "native_core_start": 52,
      "observed_chain_residue_count": 108,
      "observed_core_residue_count": 63,
      "pdb_id": "2L89",
      "pfam_entity_ranges": "[[9, 98]]",
      "protein_id": "UP:O59676",
      "source_entity_json": "Structures/pdp1__TAX284812__O59676/APO/2L89/polymer_entities.json",
      "source_entity_json_sha256": "8bb91a2eb6365c0d5792844e51a3ac7f95e5610fce99ce5db1e328c57a67539c"
    }
  ],
  "chain": {
    "auth_asym_ids_observed": "[\"A\"]",
    "broader_scope_basis": "source Pfam feature intersecting native core; entire chain reported separately",
    "chain_id": "PDB:2L89:CHAIN:A:UP:O59676",
    "core_definition_source": "UniProtKB DOMAIN",
    "domain_id": "UP:O59676:PWWP1",
    "entity_id": "1",
    "gene": "pdp1",
    "isolated_PWWP_containing_construct_candidate": 1,
    "label_asym_id": "A",
    "mapped_construct_ranges": "[[45, 152]]",
    "native_core_end": 114,
    "native_core_start": 52,
    "observed_chain_residue_count": 108,
    "observed_core_residue_count": 63,
    "pdb_id": "2L89",
    "pfam_entity_ranges": "[[9, 98]]",
    "protein_id": "UP:O59676",
    "source_entity_json": "Structures/pdp1__TAX284812__O59676/APO/2L89/polymer_entities.json",
    "source_entity_json_sha256": "8bb91a2eb6365c0d5792844e51a3ac7f95e5610fce99ce5db1e328c57a67539c"
  },
  "sites": [],
  "site": null,
  "quality": null,
  "contacts": [],
  "comparison": {
    "comparison_id": "2L89:A:UP:O59676:PWWP1",
    "pdb_id": "2L89",
    "protein_id": "UP:O59676",
    "gene": "pdp1",
    "taxonomy_id": "284812",
    "domain_id": "UP:O59676:PWWP1",
    "label_asym_id": "A",
    "auth_asym_ids": "[\"A\"]",
    "first_model": "1",
    "domain_start": 52,
    "domain_end": 114,
    "annotation_core_length": 63,
    "n_observed_CA": 63,
    "core_CA_coverage": 1.0,
    "v1_observed_any_atom_residues": 63,
    "CA_minus_v1_any_atom": 0,
    "n_common_AF_CA": 63,
    "core_observed_substitutions": 0,
    "substitutions": "[]",
    "duplicate_canonical_positions": "[]",
    "experimental_method": "SOLUTION NMR",
    "resolution_angstrom": null,
    "primary_classification": "APO",
    "classification_review_required": 0,
    "source_cif": "Structures/pdp1__TAX284812__O59676/APO/2L89/original.cif",
    "source_sha256": "cd55ce7839b4bb6373021b267f68997b927b20cf4f29a1e22fc789674ba01207",
    "mapping_sha256": "f62a367ee238d6c32eeb7e0d267142729084a96617da8ec7ffbc720e25eddcee",
    "comparison_status": "eligible",
    "AF_model_record_id": "AF-O59676-F1:v6",
    "rmsd_all_common_CA": 1.048784,
    "n_AF_CA_ge70": 56,
    "rmsd_AF_ge70_CA": 0.719644,
    "AF_core_mean_plddt": 84.5714
  },
  "assays": [],
  "local_coordinates": true,
  "coordinate_url": "/coordinates/phase6c1/2L89.cif",
  "interpretation": "Heavy-atom distances use the first deposited model and asymmetric unit, occupancy >0 and retained alternate locations. No symmetry expansion or affinity inference.",
  "quality_scope": "Detailed atom completeness only for the three packaged original-coordinate files; quality uses observed atom-name union across positive-occupancy alternate conformers, with per-alt differences retained. Missing entire residues are separate. Nonstandard amino-acid templates are unassessed. No density reinterpretation, receptor repair, docking or MD.",
  "analysis_id": "PWWP_POCKET_QUALITY_1.0.0",
  "source_conflict": null
}