{
  "report_format_version": "pepfold-report-v1",
  "generated_at": "2026-06-19T00:44:40.773Z",
  "specimen": {
    "number": 426,
    "sequence": "TPEALGYLLLVVFTSHTIFQAQRQKQEADYIHKARVKTSTVLKREKPKISNKEIGISSE",
    "sequence_length": 59,
    "status": "complete",
    "wallet": "5DxbY9hNoqrDgZLpCLkmyrJyRK9GtpGXVgUBv8hnQnx7",
    "amount_sol": 0,
    "tx_hash": "5FLVMJCzk8dPg4TMt91Xrb2aSUr5EVR95kyfmQ6uUcsN7m4H68kgpR2ajT1WpC2d1K527UFfPdYfiwJh3rBmy3D5",
    "created_at": "2026-06-18T05:59:11.057217+00:00",
    "completed_at": "2026-06-18T06:04:39.227076+00:00"
  },
  "structure": {
    "pdb_url": "https://mrzziawbddodlpywncfy.supabase.co/storage/v1/object/public/pdb-files/1dfd7720-06c2-4d38-b8fe-dc540e88f6c0.pdb",
    "helix_pct": 0,
    "sheet_pct": 0,
    "loop_pct": 100
  },
  "triage": {
    "models": {
      "fold_model": {
        "name": "ESMFold",
        "version": "esmatlas-esmfold-v1"
      },
      "triage_model": {
        "name": "PEPFOLD heuristic triage",
        "version": "pepfold-triage-v1"
      },
      "comment_model": {
        "name": "Claude",
        "version": "claude-opus-4-7"
      }
    },
    "run_id": "run_2b58c47574e047cbbc1337234a76246c",
    "metrics": [
      {
        "id": "fold_confidence",
        "label": "fold confidence",
        "value": 0.769,
        "source": {
          "model": "ESMFold",
          "version": "esmatlas-esmfold-v1"
        },
        "confidence": 0.52,
        "evidence_note": "derived from mean pLDDT on CA atoms",
        "confidence_band": [
          0.649,
          0.889
        ],
        "not_enough_confidence": true
      },
      {
        "id": "disorder_estimate",
        "label": "disorder estimate",
        "value": 0.322,
        "source": {
          "model": "PEPFOLD structure heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.52,
        "evidence_note": "estimated from loop proportion and low-confidence structure regions",
        "confidence_band": [
          0.202,
          0.442
        ],
        "not_enough_confidence": true
      },
      {
        "id": "aggregation_risk",
        "label": "aggregation risk",
        "value": 0.256,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "hydrophobic burden, aromatic burden, charge, and long hydrophobic runs",
        "confidence_band": [
          0.146,
          0.366
        ],
        "not_enough_confidence": false
      },
      {
        "id": "hydrophobic_burden",
        "label": "hydrophobic burden",
        "value": 0.373,
        "source": {
          "model": "PEPFOLD sequence analyzer",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.84,
        "evidence_note": "fraction of hydrophobic residues in sequence",
        "confidence_band": [
          0.333,
          0.413
        ],
        "not_enough_confidence": false
      },
      {
        "id": "charge_distribution_risk",
        "label": "charge distribution risk",
        "value": 0.068,
        "source": {
          "model": "PEPFOLD sequence analyzer",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.84,
        "evidence_note": "absolute net charge normalized by sequence length",
        "confidence_band": [
          0.028,
          0.108
        ],
        "not_enough_confidence": false
      },
      {
        "id": "solubility_risk",
        "label": "solubility risk",
        "value": 0.244,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "composite of aggregation risk, hydrophobic burden, and charge",
        "confidence_band": [
          0.134,
          0.354
        ],
        "not_enough_confidence": false
      },
      {
        "id": "developability_risk",
        "label": "developability risk",
        "value": 0.264,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "composite developability indicator used for triage",
        "confidence_band": [
          0.154,
          0.374
        ],
        "not_enough_confidence": false
      }
    ],
    "generated_at": "2026-06-18T06:03:19.022065+00:00",
    "report_version": "phase-a.v1",
    "sequence_length": 59,
    "synthesis_hints": [
      "sequence length >45 aa may reduce synthesis yield"
    ],
    "motif_liabilities": [
      "long hydrophobic run may increase aggregation risk"
    ],
    "developability_flags": [],
    "low_confidence_reasons": [
      "DSSP unavailable; secondary structure uses pLDDT fallback."
    ]
  },
  "audit": {
    "input": {
      "sequence_length": 59,
      "sequence_sha256": "0ea572c06ebe9e7eb795a101aae1238cf5e255bb134e6997aa53749f8a1e483d"
    },
    "output": {
      "report_sha256": "27399ea8ecf28db4173ecfe01e4cb26daca3b1dd31a775ce4747cfbf15178226"
    },
    "run_id": "run_2b58c47574e047cbbc1337234a76246c",
    "timestamp": "2026-06-18T06:03:19.022153+00:00",
    "pipeline_versions": {
      "pep_model_version": "claude-opus-4-7",
      "fold_model_version": "esmatlas-esmfold-v1",
      "triage_model_version": "pepfold-triage-v1",
      "secondary_structure_source": "plddt_fallback"
    }
  },
  "attestation": null,
  "next_experiments": {
    "engine": "pepfold-recs-v1",
    "recommendations": [
      {
        "id": "liability_redesign",
        "technique": "LIABILITY REDESIGN ROUND",
        "rationale": "redesign to remove the flagged motif(s) before going wet-lab: long hydrophobic run may increase aggregation risk. minimal substitutions usually suffice (e.g. N→Q for deamidation hotspots, M→L for met oxidation).",
        "evidence": "1 motif liability flag(s) in the sequence",
        "turnaround_days": [
          0,
          1
        ],
        "tier": "in_silico_only"
      }
    ]
  },
  "comment": "59 residues of pure loop, which is almost impressive. starts hydrophobic and helix-friendly then derails into a charged mess of lysines and arginines. reads like two peptides duct-taped together and neither one committed to folding.",
  "tweet": {
    "id": "2067488641992343863",
    "url": "https://x.com/pepfoldagent/status/2067488641992343863"
  }
}