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assays do not prove nonbinding.", "verification_queue": true, "verification_status": "source_scoped_mixed" }, "science_site_roles": { "PDB:3PFS:LIG:C:ZN:1200:.:SITE:UP:Q9ULD4:PWWP1:A": { "ccd_url": "https://www.rcsb.org/ligand/ZN", "chemical_id": "INCHIKEY:PTFCDOFLOPIGGS-UHFFFAOYSA-N", "compound_id": "INCHIKEY:PTFCDOFLOPIGGS-UHFFFAOYSA-N", "contact_class": "native_annotation_core_contact", "coordinate_sha256": "b4c99ae57b91da3164d714f3db6c7466119e64c40dfd8e260cd338d21d5a3ab8", "domain_id": "UP:Q9ULD4:PWWP1", "exact_pwwp_contact": true, "ligand_instance_id": "PDB:3PFS:LIG:C:ZN:1200:.", "observed_other_component": false, "pdb_id": "3PFS", "protein_id": "UP:Q9ULD4", "role_code": "ion_cofactor_role_unresolved", "role_group": "context_unresolved", "rule": "Phase5 exact deposited site role, measured heavy-atom contacts and native-domain scope", "site_id": "PDB:3PFS:LIG:C:ZN:1200:.:SITE:UP:Q9ULD4:PWWP1:A", "source_role": "ion/cofactor_requires_context", "source_url": "https://www.rcsb.org/structure/3PFS", "structural_research_ligand": false, "uncertainty": "Role is source-annotated; deposited proximity alone does not establish solution binding or biological activity.", "verification_status": "phase5_derived_deposited_geometry" }, "PDB:3PFS:LIG:E:ZN:1200:.:SITE:UP:Q9ULD4:PWWP1:B": { "ccd_url": "https://www.rcsb.org/ligand/ZN", "chemical_id": "INCHIKEY:PTFCDOFLOPIGGS-UHFFFAOYSA-N", "compound_id": "INCHIKEY:PTFCDOFLOPIGGS-UHFFFAOYSA-N", "contact_class": "native_annotation_core_contact", "coordinate_sha256": "b4c99ae57b91da3164d714f3db6c7466119e64c40dfd8e260cd338d21d5a3ab8", "domain_id": "UP:Q9ULD4:PWWP1", "exact_pwwp_contact": true, "ligand_instance_id": "PDB:3PFS:LIG:E:ZN:1200:.", "observed_other_component": false, "pdb_id": "3PFS", "protein_id": "UP:Q9ULD4", "role_code": "ion_cofactor_role_unresolved", "role_group": "context_unresolved", "rule": "Phase5 exact deposited site role, measured heavy-atom contacts and native-domain scope", "site_id": "PDB:3PFS:LIG:E:ZN:1200:.:SITE:UP:Q9ULD4:PWWP1:B", "source_role": "ion/cofactor_requires_context", "source_url": "https://www.rcsb.org/structure/3PFS", "structural_research_ligand": false, "uncertainty": "Role is source-annotated; deposited proximity alone does not establish solution binding or biological activity.", "verification_status": "phase5_derived_deposited_geometry" } }, "science_assay_roles": {}, "example": null, "matched_observations": [], "matched_assay_count": 0 } ] }