{
  "schema": "dia-health-one.nnc2215-full-conjugate-graph.v1",
  "run": {
    "script": "research/audit_nnc2215_full_conjugate_graph.py",
    "script_sha256": "c0fe69b50f4b3439b27863c8c54e7d9847fd0ac9ffc6c6966e14004ae022d85f",
    "python_version": "3.11.17",
    "rdkit_version": "2026.03.1",
    "coordinate_files_modified": false,
    "coordinates_used_for_graph_assembly_or_mapping": false
  },
  "representation": {
    "type": "source-derived neutral constitutional graph",
    "fasta_template_convention": "Pinned RDKit MolFromFASTA neutral amino-acid residue templates, with N-terminal NH2 and C-terminal carboxylic-acid OXT/OH termini before conjugate attachment.",
    "hydrogen_representation": "Hydrogens are not graph nodes; per-atom RDKit implicit and bracket-hydrogen counts are recorded.",
    "conditional_tricarboxylate_audit": {
      "path": "research/data/nnc2215-b29-topology-audit.json",
      "representation_is_separate": true,
      "merged_into_this_neutral_graph": false,
      "interpretation": "A conditional pH 7.4 local B29 tri-carboxylate representation; it does not assign whole-system protonation or total charge."
    }
  },
  "sequences": {
    "source_audit": "research/data/nnc2215-model-formula-audit.json",
    "chain_A": "GIVEQCCTSICSLYQLENYCN",
    "chain_B_desB30": "FVNQHLCGSHLVEALYLVCGERGFFYTPK",
    "sequence_audit_match": true
  },
  "input_hashes": {
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      "observed_sha256": "ad5cf3035fa16330239f69ef7fee95e0a2c02b6944d309f20e56219799775260",
      "upstream_expected_sha256": [],
      "has_upstream_expected_digest": false,
      "all_recorded_expected_hashes_match": false,
      "required_upstream_expectation_sources": [],
      "integrity_basis": "observed digest only"
    },
    "b1_graph": {
      "path": "research/structures/nnc2215-b1-glucoside-attachment.smi",
      "observed_sha256": "94ef8ea011bc968beb3fb4a3e8846b64182c602faf7fe041461cd33c4e5a02b4",
      "upstream_expected_sha256": [
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          "recorded_by": "B1 topology audit",
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        },
        {
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      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
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        "attachment-boundary audit"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "b1_map_legend": {
      "path": "research/data/nnc2215-b1-glucoside-atom-map.json",
      "observed_sha256": "a45953599aa2eb490275da3cfe595a3b702148da690a6baf17c6751925878e81",
      "upstream_expected_sha256": [
        {
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        },
        {
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          "recorded_by": "attachment-boundary audit",
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        }
      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
        "B1 topology audit",
        "attachment-boundary audit"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "b1_topology_audit": {
      "path": "research/data/nnc2215-b1-topology-audit.json",
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      "upstream_expected_sha256": [],
      "has_upstream_expected_digest": false,
      "all_recorded_expected_hashes_match": false,
      "required_upstream_expectation_sources": [],
      "integrity_basis": "observed digest only"
    },
    "b29_graph": {
      "path": "research/structures/nnc2215-b29-linker-roof-product.smi",
      "observed_sha256": "b677316c1fced61045d2eebab4de85cdb2f1ef956280d18ab9d610df1181bd40",
      "upstream_expected_sha256": [
        {
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          "recorded_by": "B29 topology audit",
          "matches": true
        },
        {
          "sha256": "b677316c1fced61045d2eebab4de85cdb2f1ef956280d18ab9d610df1181bd40",
          "recorded_by": "B29 topology audit input integrity",
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        },
        {
          "sha256": "b677316c1fced61045d2eebab4de85cdb2f1ef956280d18ab9d610df1181bd40",
          "recorded_by": "attachment-boundary audit",
          "matches": true
        }
      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
        "B29 topology audit",
        "B29 topology audit input integrity",
        "attachment-boundary audit"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "b29_map_legend": {
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      "upstream_expected_sha256": [
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          "matches": true
        },
        {
          "sha256": "eb028433748cf294744ac02f381e909f029f79916484a2e05dfbf966f7faa0c5",
          "recorded_by": "attachment-boundary audit",
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        }
      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
        "B29 topology audit",
        "attachment-boundary audit"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "b29_topology_audit": {
      "path": "research/data/nnc2215-b29-topology-audit.json",
      "observed_sha256": "edd4d9911170e3688c80f6b8ca3f4339ebee7815c1bb596cfa2dfaca468d96c6",
      "upstream_expected_sha256": [],
      "has_upstream_expected_digest": false,
      "all_recorded_expected_hashes_match": false,
      "required_upstream_expectation_sources": [],
      "integrity_basis": "observed digest only"
    },
    "reconciliation": {
      "path": "research/data/nnc2215-carbon-reconciliation-candidate.json",
      "observed_sha256": "7aed13e3d8bcd13d9aa8b3e468f8831b5dec322caf3de454dd67f68087d4e133",
      "upstream_expected_sha256": [
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          "matches": true
        },
        {
          "sha256": "7aed13e3d8bcd13d9aa8b3e468f8831b5dec322caf3de454dd67f68087d4e133",
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        {
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        }
      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
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        "B29 topology audit input integrity",
        "attachment-boundary audit"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "boundary_audit": {
      "path": "research/data/nnc2215-attachment-boundary-audit.json",
      "observed_sha256": "0003fde2504cf31bb6513d4dd3f7db4834a7493910836bedd00cf769d7959349",
      "upstream_expected_sha256": [],
      "has_upstream_expected_digest": false,
      "all_recorded_expected_hashes_match": false,
      "required_upstream_expectation_sources": [],
      "integrity_basis": "observed digest only"
    },
    "conditional_carboxylate_audit": {
      "path": "research/data/nnc2215-b29-topology-audit.json",
      "observed_sha256": "edd4d9911170e3688c80f6b8ca3f4339ebee7815c1bb596cfa2dfaca468d96c6",
      "upstream_expected_sha256": [],
      "has_upstream_expected_digest": false,
      "all_recorded_expected_hashes_match": false,
      "required_upstream_expectation_sources": [],
      "integrity_basis": "observed digest only"
    },
    "active_open_source_pdb": {
      "path": "research/structures/nnc2215-open-model.pdb",
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      "upstream_expected_sha256": [
        {
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          "recorded_by": "coordinate reconciliation",
          "matches": true
        },
        {
          "sha256": "44c29d45b28ace4ede73a75a8e076dbca62e14b34bd3938a4b495ebd1270267a",
          "recorded_by": "model formula audit",
          "matches": true
        }
      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
        "coordinate reconciliation",
        "model formula audit"
      ],
      "integrity_basis": "upstream expected digests"
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    "inactive_closed_source_pdb": {
      "path": "research/structures/nnc2215-closed-model.pdb",
      "observed_sha256": "a8287b859e73b274e8403ee56cd83564bc30fd0503d852829fa805fdc777e12d",
      "upstream_expected_sha256": [
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        {
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          "recorded_by": "model formula audit",
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      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
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        "model formula audit"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "active_open_candidate_pdb": {
      "path": "research/structures/nnc2215-open-source-corrected-candidate.pdb",
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      "upstream_expected_sha256": [
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        {
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        },
        {
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          "recorded_by": "B29 topology audit",
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        },
        {
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        {
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        },
        {
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        {
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          "recorded_by": "B29 topology audit input integrity",
          "matches": true
        }
      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
      "required_upstream_expectation_sources": [
        "B1 topology audit",
        "B29 topology audit",
        "attachment-boundary audit",
        "coordinate reconciliation"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "inactive_closed_candidate_pdb": {
      "path": "research/structures/nnc2215-closed-source-corrected-candidate.pdb",
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      "upstream_expected_sha256": [
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        {
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        {
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        {
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      ],
      "has_upstream_expected_digest": true,
      "all_recorded_expected_hashes_match": true,
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        "B29 topology audit",
        "attachment-boundary audit",
        "coordinate reconciliation"
      ],
      "integrity_basis": "upstream expected digests"
    },
    "audit_record_files": {
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        "path": "research/data/nnc2215-model-formula-audit.json",
        "observed_sha256": "ad5cf3035fa16330239f69ef7fee95e0a2c02b6944d309f20e56219799775260"
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        "observed_sha256": "4ee0feac680641f60b465f343837923488877bf04ea03e927f62efad707e79ce"
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      "b29_topology_audit": {
        "path": "research/data/nnc2215-b29-topology-audit.json",
        "observed_sha256": "edd4d9911170e3688c80f6b8ca3f4339ebee7815c1bb596cfa2dfaca468d96c6"
      },
      "reconciliation": {
        "path": "research/data/nnc2215-carbon-reconciliation-candidate.json",
        "observed_sha256": "7aed13e3d8bcd13d9aa8b3e468f8831b5dec322caf3de454dd67f68087d4e133"
      },
      "boundary_audit": {
        "path": "research/data/nnc2215-attachment-boundary-audit.json",
        "observed_sha256": "0003fde2504cf31bb6513d4dd3f7db4834a7493910836bedd00cf769d7959349"
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  },
  "source_model_pdb_hash_checks": [
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      "state": "active_open",
      "path": "research/structures/nnc2215-open-model.pdb",
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      "formula_audit_sha256": "44c29d45b28ace4ede73a75a8e076dbca62e14b34bd3938a4b495ebd1270267a",
      "reconciliation_sha256": "44c29d45b28ace4ede73a75a8e076dbca62e14b34bd3938a4b495ebd1270267a",
      "all_expected_hashes_match": true
    },
    {
      "state": "inactive_closed",
      "path": "research/structures/nnc2215-closed-model.pdb",
      "observed_sha256": "a8287b859e73b274e8403ee56cd83564bc30fd0503d852829fa805fdc777e12d",
      "formula_audit_sha256": "a8287b859e73b274e8403ee56cd83564bc30fd0503d852829fa805fdc777e12d",
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      "all_expected_hashes_match": true
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  ],
  "assembly": {
    "source_components": [
      {
        "component": "insulin chain A",
        "method": "RDKit MolFromFASTA",
        "sequence": "GIVEQCCTSICSLYQLENYCN"
      },
      {
        "component": "insulin chain B desB30",
        "method": "RDKit MolFromFASTA",
        "sequence": "FVNQHLCGSHLVEALYLVCGERGFFYTPK"
      },
      {
        "component": "B1 glucoside",
        "source_graph": "research/structures/nnc2215-b1-glucoside-attachment.smi",
        "map_legend": "research/data/nnc2215-b1-glucoside-atom-map.json",
        "source_maps_preserved": true
      },
      {
        "component": "B29 linker-roof",
        "source_graph": "research/structures/nnc2215-b29-linker-roof-product.smi",
        "map_legend": "research/data/nnc2215-b29-linker-roof-product-map.json",
        "source_maps_preserved": true
      }
    ],
    "join_operations": [
      {
        "component": "B1",
        "removed_cap_map_id": 1,
        "removed_cap_role": "Mapped protein-boundary placeholder for PheB1 N; it is joined to the B1 acyl carbonyl.",
        "source_endpoint_map_id": 2,
        "protein_endpoint": {
          "chain": "B",
          "residue_number": 1,
          "residue_name": "PHE",
          "atom_name": "N"
        },
        "bond_order": "single",
        "interpretation": "map 1 placeholder was removed and its single edge to map 2 was replaced by the PheB1 N\u2013map 2 amide bond"
      },
      {
        "component": "B29",
        "removed_cap_map_id": 92,
        "removed_cap_role": "LysB29 NZ attachment endpoint",
        "source_endpoint_map_id": 84,
        "protein_endpoint": {
          "chain": "B",
          "residue_number": 29,
          "residue_name": "LYS",
          "atom_name": "NZ"
        },
        "bond_order": "single",
        "interpretation": "map 92 NZ cap was removed and its single edge to map 84 was replaced by the LysB29 NZ\u2013map 84 carbamate bond"
      }
    ],
    "disulfides": [
      {
        "atom_identities": [
          {
            "chain": "A",
            "residue_number": 6,
            "atom_name": "SG"
          },
          {
            "chain": "A",
            "residue_number": 11,
            "atom_name": "SG"
          }
        ],
        "bond_order": "single",
        "provenance": "declared insulin disulfide connectivity"
      },
      {
        "atom_identities": [
          {
            "chain": "A",
            "residue_number": 7,
            "atom_name": "SG"
          },
          {
            "chain": "B",
            "residue_number": 7,
            "atom_name": "SG"
          }
        ],
        "bond_order": "single",
        "provenance": "declared insulin disulfide connectivity"
      },
      {
        "atom_identities": [
          {
            "chain": "A",
            "residue_number": 20,
            "atom_name": "SG"
          },
          {
            "chain": "B",
            "residue_number": 19,
            "atom_name": "SG"
          }
        ],
        "bond_order": "single",
        "provenance": "declared insulin disulfide connectivity"
      }
    ],
    "only_declared_disulfides_added": true
  },
  "formula": {
    "rdkit_formula": "C325H461N79O97S6",
    "atom_ledger_formula": "C325H461N79O97S6",
    "element_counts": {
      "C": 325,
      "H": 461,
      "N": 79,
      "O": 97,
      "S": 6
    },
    "heavy_element_counts": {
      "C": 325,
      "N": 79,
      "O": 97,
      "S": 6
    },
    "reported_formula": "C325H461N79O97S6",
    "reported_formula_element_counts": {
      "C": 325,
      "H": 461,
      "N": 79,
      "O": 97,
      "S": 6
    },
    "formula_matches_published_reference": true,
    "interpretation": "Internal source-graph consistency with the formula reported in the Nature supporting information; not independent experimental confirmation.",
    "total_formal_charge": 0
  },
  "graph": {
    "heavy_atom_count": 507,
    "explicit_hydrogen_nodes": 0,
    "implicit_and_bracket_hydrogens_ledger_total": 461,
    "edge_count": 527,
    "connected_component_count": 1,
    "cycle_rank_E_minus_V_plus_components": 21,
    "rdkit_sanitization": "pass",
    "valence_status": "pass; RDKit sanitization and strict atom property-cache update completed"
  },
  "mapping_ambiguity": {
    "states": [
      {
        "state": "active_open",
        "b1_exact_mapping_count": 1,
        "b29_exact_mapping_count": 16,
        "b29_full_ambiguity_preserved": true,
        "coordinate_mappings_used_to_assemble_graph": false
      },
      {
        "state": "inactive_closed",
        "b1_exact_mapping_count": 1,
        "b29_exact_mapping_count": 16,
        "b29_full_ambiguity_preserved": true,
        "coordinate_mappings_used_to_assemble_graph": false
      }
    ],
    "b29_coordinate_map_selected": false,
    "coordinate_values_used_to_select_or_rank_mappings": false
  },
  "pdb_cross_checks": [
    {
      "state": "active_open",
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    },
    {
      "edge_id": "bond_0501",
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      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 56\u201355"
    },
    {
      "edge_id": "bond_0502",
      "atom_node_ids": [
        "atom_0493",
        "atom_0494"
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      "atom_indices_zero_based": [
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      "bond_type": "SINGLE",
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      "is_aromatic": false,
      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 55\u201318"
    },
    {
      "edge_id": "bond_0503",
      "atom_node_ids": [
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      "atom_indices_zero_based": [
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      "bond_type": "AROMATIC",
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      "provenance": "Mapped B29 source SMILES edge map 18\u201313"
    },
    {
      "edge_id": "bond_0504",
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      "provenance": "Mapped B29 source SMILES edge map 13\u201314"
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    {
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      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 14\u201315"
    },
    {
      "edge_id": "bond_0506",
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      "provenance": "Mapped B29 source SMILES edge map 15\u201316"
    },
    {
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      "atom_indices_zero_based": [
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      "provenance": "Mapped B29 source SMILES edge map 16\u201352"
    },
    {
      "edge_id": "bond_0508",
      "atom_node_ids": [
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      "atom_indices_zero_based": [
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      "bond_type": "DOUBLE",
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      "is_aromatic": false,
      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 52\u201353"
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    {
      "edge_id": "bond_0509",
      "atom_node_ids": [
        "atom_0499",
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      "atom_indices_zero_based": [
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      "bond_type": "SINGLE",
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      "is_aromatic": false,
      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 52\u201354"
    },
    {
      "edge_id": "bond_0510",
      "atom_node_ids": [
        "atom_0498",
        "atom_0502"
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      "atom_indices_zero_based": [
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      "bond_type": "AROMATIC",
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      "is_aromatic": true,
      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 16\u201317"
    },
    {
      "edge_id": "bond_0511",
      "atom_node_ids": [
        "atom_0495",
        "atom_0503"
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      "atom_indices_zero_based": [
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      "bond_type": "SINGLE",
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      "provenance": "Mapped B29 source SMILES edge map 13\u201341"
    },
    {
      "edge_id": "bond_0512",
      "atom_node_ids": [
        "atom_0503",
        "atom_0504"
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      "atom_indices_zero_based": [
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      "bond_type": "SINGLE",
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      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 41\u201339"
    },
    {
      "edge_id": "bond_0513",
      "atom_node_ids": [
        "atom_0504",
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      "atom_indices_zero_based": [
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      "bond_type": "DOUBLE",
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      "provenance": "Mapped B29 source SMILES edge map 39\u201340"
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    {
      "edge_id": "bond_0514",
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      "atom_indices_zero_based": [
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    {
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      "atom_node_ids": [
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      "provenance": "Mapped B29 source SMILES edge map 38\u201337"
    },
    {
      "edge_id": "bond_0516",
      "atom_node_ids": [
        "atom_0428",
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      "provenance": "Mapped B29 source SMILES edge map 6\u20131"
    },
    {
      "edge_id": "bond_0517",
      "atom_node_ids": [
        "atom_0442",
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      "atom_indices_zero_based": [
        441,
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      "bond_type": "AROMATIC",
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      "is_aromatic": true,
      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 30\u201325"
    },
    {
      "edge_id": "bond_0518",
      "atom_node_ids": [
        "atom_0468",
        "atom_0448"
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      "atom_indices_zero_based": [
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      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 11\u201312"
    },
    {
      "edge_id": "bond_0519",
      "atom_node_ids": [
        "atom_0483",
        "atom_0475"
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      "atom_indices_zero_based": [
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      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 23\u201324"
    },
    {
      "edge_id": "bond_0520",
      "atom_node_ids": [
        "atom_0502",
        "atom_0494"
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      "atom_indices_zero_based": [
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      "provenance": "Mapped B29 source SMILES edge map 17\u201318"
    },
    {
      "edge_id": "bond_0521",
      "atom_node_ids": [
        "atom_0507",
        "atom_0420"
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      "atom_indices_zero_based": [
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      "provenance": "Mapped B29 source SMILES edge map 37\u20132"
    },
    {
      "edge_id": "bond_0522",
      "atom_node_ids": [
        "atom_0488",
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      "atom_indices_zero_based": [
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      "is_aromatic": false,
      "is_conjugated": false,
      "provenance": "Mapped B29 source SMILES edge map 42\u20134"
    },
    {
      "edge_id": "bond_0523",
      "atom_node_ids": [
        "atom_0463",
        "atom_0453"
      ],
      "atom_indices_zero_based": [
        462,
        452
      ],
      "bond_type": "AROMATIC",
      "bond_order": 1.5,
      "is_aromatic": true,
      "is_conjugated": true,
      "provenance": "Mapped B29 source SMILES edge map 89\u201381"
    },
    {
      "edge_id": "bond_0524",
      "atom_node_ids": [
        "atom_0397",
        "atom_0461"
      ],
      "atom_indices_zero_based": [
        396,
        460
      ],
      "bond_type": "SINGLE",
      "bond_order": 1.0,
      "is_aromatic": false,
      "is_conjugated": true,
      "provenance": "B29 protein attachment boundary; source cap replaced at map 84"
    },
    {
      "edge_id": "bond_0525",
      "atom_node_ids": [
        "atom_0043",
        "atom_0076"
      ],
      "atom_indices_zero_based": [
        42,
        75
      ],
      "bond_type": "SINGLE",
      "bond_order": 1.0,
      "is_aromatic": false,
      "is_conjugated": false,
      "provenance": "Declared insulin disulfide source: A6 SG\u2013A11 SG"
    },
    {
      "edge_id": "bond_0526",
      "atom_node_ids": [
        "atom_0049",
        "atom_0222"
      ],
      "atom_indices_zero_based": [
        48,
        221
      ],
      "bond_type": "SINGLE",
      "bond_order": 1.0,
      "is_aromatic": false,
      "is_conjugated": false,
      "provenance": "Declared insulin disulfide source: A7 SG\u2013B7 SG"
    },
    {
      "edge_id": "bond_0527",
      "atom_node_ids": [
        "atom_0154",
        "atom_0312"
      ],
      "atom_indices_zero_based": [
        153,
        311
      ],
      "bond_type": "SINGLE",
      "bond_order": 1.0,
      "is_aromatic": false,
      "is_conjugated": false,
      "provenance": "Declared insulin disulfide source: A20 SG\u2013B19 SG"
    }
  ],
  "checks": {
    "source_sequences_match_expected": true,
    "one_connected_full_graph": true,
    "neutral_formula_matches_reported_formula": true,
    "per_atom_provenance_complete": true,
    "implicit_hydrogen_ledger_matches_formula": true,
    "three_declared_disulfides_present": true,
    "b1_and_b29_boundary_caps_removed_and_replaced": true,
    "candidate_pdb_sequences_links_and_disulfides_match": true,
    "b1_one_and_b29_sixteen_exact_mappings_per_state_retained": true,
    "source_and_corrected_candidate_hashes_match_upstream_records": true,
    "conditional_tri_carboxylate_remains_separate": true,
    "full_system_protonation_force_field_or_md_resolved": false
  },
  "assessment": {
    "status": "source-derived neutral constitutional graph assembled and internally audited",
    "formula_and_connectivity": "The graph is connected, valence-sanitized, and formula-consistent with the reported C325H461N79O97S6 composition.",
    "scope": "The corrected model-built PDBs were used only for named sequence, SSBOND, LINK, and hash cross-checks.",
    "not_established": [
      "a unique B29 coordinate atom map; sixteen exact mappings per state remain",
      "PheB1 hydrogen ownership; the H2/H2A discrepancy remains open",
      "neutral macrocycle oxygen-label assignment or a physiological-pH full-system microstate",
      "histidine tautomer choice beyond the pinned RDKit neutral template",
      "roof stereochemistry beyond the source graph",
      "whole-system charge, force-field parameters, structural relaxation, or molecular dynamics",
      "drug efficacy or clinical readiness"
    ]
  }
}
