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          "value_operator": "=",
          "value_uM": 1.31,
          "verification_level": "primary_full_text_sections_verified"
        },
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          "preparation_id": "PREP:COLLIE2025_13",
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          "replicates": "at least 3 independent replicates (Table 1 general SPR definition)",
          "role": "counter_target_assay",
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          "source_database": "Primary literature (frozen Atlas)",
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            "source_id": "S05",
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            "temperature_C": 25,
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          "source_reported_value": null,
          "source_verification_scope": "Phase 3 primary Table 1 and actual supporting PDF pages 7, 9 and 14; the inherited HTRF method remains explicitly not inspected",
          "target_scope": "domain_specific",
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      "context_structures": [],
      "context_assay_count": 4,
      "context_measured_count": 4,
      "context_bound_count": 0,
      "context_pdb_count": 0,
      "context_negative_count": 1,
      "context_is_probe": false,
      "context_bioactivity_only": true,
      "context_kind": "Bioactivity only",
      "science": {
        "studied_compound": true,
        "measured_count": 4,
        "structural_research_ligand": false,
        "research_pdb_count": 0,
        "other_component": false,
        "component_site_count": 0,
        "verification_queue": true,
        "positive_direct_binder": true,
        "reported_probe": false,
        "reported_control": false,
        "cellular_activity": false,
        "protein_degradation": false,
        "bioactivity_only": true,
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      },
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      "science_profile": {
        "annotation_roles": [
          "studied",
          "unresolved"
        ],
        "cellular_activity": false,
        "chemical_id": null,
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        "entity_kind": "experimental_preparation",
        "identity_resolved": false,
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        "name": "compound 13 (Collie 2025)",
        "other_pdb_component": false,
        "other_site_count": 0,
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        "primary_view": "studied",
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        ],
        "source_site_ids": [],
        "structural_research_ligand": false,
        "structural_research_site_count": 0,
        "studied_compound": true,
        "total_observation_count": 4,
        "uncertain_site_count": 0,
        "uncertainty": "Classification is evidence- and experiment-scoped; missing assays do not prove nonbinding.",
        "verification_queue": true,
        "verification_status": "source_scoped_mixed"
      },
      "science_site_roles": {},
      "science_assay_roles": {
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          "compound_id": "PREP:COLLIE2025_13",
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          "endpoint": "Kd",
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          "operator": "=",
          "positive_direct_binder": true,
          "preparation_id": "PREP:COLLIE2025_13",
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          "remaining_uncertainty": "Assay-specific buffer and temperature verified from SI page 9; tag/construct from Table S2. Exact per-row kinetic-versus-steady-state fit choice and exact n beyond table footnote not specified. Chemical preparation identity remains as curated.",
          "reported_cellular": false,
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          "rule": "Phase5 source-curated evidence_class, material, target_scope, source role; no inferred affinities",
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          "studied_compound": true,
          "target_scope": "domain_specific",
          "target_variant": null,
          "units": "µM",
          "value": 0.75,
          "verification_status": "primary_full_text_sections_verified"
        },
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          "chemical_id": null,
          "compound_id": "PREP:COLLIE2025_13",
          "domain_id": "UP:O96028:PWWP1",
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          "source_location": "Table 1",
          "source_role": "experimentally_studied_ligand",
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          "studied_compound": true,
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        },
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          "chemical_id": null,
          "compound_id": "PREP:COLLIE2025_13",
          "domain_id": "UP:O96028:PWWP1",
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          "evidence_type": "biochemical_function",
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          "method": "HTRF displacement",
          "molecular_entity_type": "small_molecule_preparation",
          "observation_id": "PWWP:ASSAY:0031",
          "operator": "=",
          "positive_direct_binder": false,
          "preparation_id": "PREP:COLLIE2025_13",
          "protein_id": "UP:O96028",
          "remaining_uncertainty": "HTRF full conditions are referenced to Carlino et al. 2024 DOI 10.1021/acs.jmedchem.4c00215. Its main protocol remains inaccessible after official repository checks. The actual supplement was inspected but contains no HTRF protocol. Table 1 reports SEM; independence level of HTRF replicates is not specified.",
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          "source_location": "Table 1",
          "source_role": "experimentally_studied_ligand",
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          "studied_compound": true,
          "target_scope": "domain_specific",
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          "units": "µM",
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          "verification_status": "primary_full_text_sections_verified"
        },
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          "chemical_id": null,
          "compound_id": "PREP:COLLIE2025_13",
          "domain_id": "UP:Q9BZ95:PWWP1",
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          "rule": "Phase5 source-curated evidence_class, material, target_scope, source role; no inferred affinities",
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          "source_role": "counter_target_assay",
          "source_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC12434523/",
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        "domain": "PWWP1",
        "domain_id": "UP:O96028:PWWP1",
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        "evidence_location": "Table 1",
        "evidence_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC12434523/",
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        "interpretation": "Affinity pertains to assay construct; crystal mutations and boundaries are separately recorded.",
        "is_measured": true,
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        "method": "SPR",
        "molecular_entity_type": "small_molecule_preparation",
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        "numeric_transcription_status": "matches_primary_report",
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        "organism": "Homo sapiens",
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        "replicates": "at least 3 independent replicates (Table 1 general SPR definition)",
        "role": "experimentally_studied_ligand",
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        "source_database": "Primary literature (frozen Atlas)",
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          "domain_id": "UP:O96028:PWWP1",
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          "role": "experimentally_studied_ligand",
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          "source_id": "S05",
          "source_reported_uncertainty": "0.04",
          "source_reported_units": "µM",
          "source_reported_value": "0.75",
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        },
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            "qualitative_result": "No binding",
            "reference_id": "PMID:40959233",
            "remaining_uncertainty": "Assay-specific buffer and temperature verified from SI page 9; tag/construct from Table S2. Exact per-row kinetic-versus-steady-state fit choice and exact n beyond table footnote not specified. Chemical preparation identity remains as curated.",
            "replicates": "at least 3 independent replicates (Table 1 general SPR definition)",
            "role": "counter_target_assay",
            "source_component_url": null,
            "source_id": "S05",
            "source_reported_uncertainty": null,
            "source_reported_units": null,
            "source_reported_value": null,
            "source_verification_scope": "Phase 3 primary Table 1 and actual supporting PDF pages 7, 9 and 14; the inherited HTRF method remains explicitly not inspected",
            "temperature_C": 25,
            "uncertainty": null,
            "uncertainty_type": null,
            "uncertainty_uM": null,
            "unit_conversion": null,
            "units": null,
            "value": null,
            "value_operator": null,
            "value_uM": null,
            "verification_level": null
          },
          "source_reported_uncertainty": null,
          "source_reported_units": null,
          "source_reported_value": null,
          "source_verification_scope": "Phase 3 primary Table 1 and actual supporting PDF pages 7, 9 and 14; the inherited HTRF method remains explicitly not inspected",
          "target_scope": "domain_specific",
          "temperature_C": 25,
          "uncertainty": null,
          "uncertainty_type": null,
          "uncertainty_uM": null,
          "unit_conversion": null,
          "units": null,
          "value": null,
          "value_operator": null,
          "value_uM": null,
          "verification_level": null
        }
      ],
      "matched_assay_count": 4
    }
  ]
}