{
  "report_format_version": "pepfold-report-v1",
  "generated_at": "2026-06-19T00:34:38.230Z",
  "specimen": {
    "number": 357,
    "sequence": "SLILGLLAYLVLVIQVTGIANNLEAALQTASFVPQTPRGYKVTAT",
    "sequence_length": 45,
    "status": "complete",
    "wallet": "5DxbY9hNoqrDgZLpCLkmyrJyRK9GtpGXVgUBv8hnQnx7",
    "amount_sol": 0,
    "tx_hash": "tTGDbbyHzNAbEzaBHgZU3M4R7H6Ab4ahQ4k4AJfjCtC8u1AWVefqfCWVA6PajVBHbAtxQsUmTHvBYrR2nw1m6zA",
    "created_at": "2026-06-17T19:45:48.768216+00:00",
    "completed_at": "2026-06-17T19:50:58.831879+00:00"
  },
  "structure": {
    "pdb_url": "https://mrzziawbddodlpywncfy.supabase.co/storage/v1/object/public/pdb-files/a41fd74e-2b8c-46bd-8466-830d166714d9.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_9a8d486a736c4c67bb35060b3644f221",
    "metrics": [
      {
        "id": "fold_confidence",
        "label": "fold confidence",
        "value": 0.764,
        "source": {
          "model": "ESMFold",
          "version": "esmatlas-esmfold-v1"
        },
        "confidence": 0.52,
        "evidence_note": "derived from mean pLDDT on CA atoms",
        "confidence_band": [
          0.644,
          0.884
        ],
        "not_enough_confidence": true
      },
      {
        "id": "disorder_estimate",
        "label": "disorder estimate",
        "value": 0.378,
        "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": [
          0.258,
          0.498
        ],
        "not_enough_confidence": true
      },
      {
        "id": "aggregation_risk",
        "label": "aggregation risk",
        "value": 0.355,
        "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": [
          0.245,
          0.465
        ],
        "not_enough_confidence": false
      },
      {
        "id": "hydrophobic_burden",
        "label": "hydrophobic burden",
        "value": 0.556,
        "source": {
          "model": "PEPFOLD sequence analyzer",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.84,
        "evidence_note": "fraction of hydrophobic residues in sequence",
        "confidence_band": [
          0.516,
          0.596
        ],
        "not_enough_confidence": false
      },
      {
        "id": "charge_distribution_risk",
        "label": "charge distribution risk",
        "value": 0.022,
        "source": {
          "model": "PEPFOLD sequence analyzer",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.84,
        "evidence_note": "absolute net charge normalized by sequence length",
        "confidence_band": [
          0,
          0.062
        ],
        "not_enough_confidence": false
      },
      {
        "id": "solubility_risk",
        "label": "solubility risk",
        "value": 0.332,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "composite of aggregation risk, hydrophobic burden, and charge",
        "confidence_band": [
          0.222,
          0.442
        ],
        "not_enough_confidence": false
      },
      {
        "id": "developability_risk",
        "label": "developability risk",
        "value": 0.349,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "composite developability indicator used for triage",
        "confidence_band": [
          0.239,
          0.459
        ],
        "not_enough_confidence": false
      }
    ],
    "generated_at": "2026-06-17T19:49:38.812323+00:00",
    "report_version": "phase-a.v1",
    "sequence_length": 45,
    "synthesis_hints": [],
    "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": 45,
      "sequence_sha256": "aa6b2a0ba65d0c85213eb215d45a2f059f1cfc55048a67fbfbcb6b0b978093a0"
    },
    "output": {
      "report_sha256": "3cbf049b56c578a3aa059924daa144e5b780157a2c78d26af63df46941a577ae"
    },
    "run_id": "run_9a8d486a736c4c67bb35060b3644f221",
    "timestamp": "2026-06-17T19:49:38.812411+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"
      },
      {
        "id": "serum_stability",
        "technique": "SERUM STABILITY + SOLUBILITY CURVE",
        "rationale": "track peptide concentration in 100% human serum over 0/1/4/24h; in parallel run a solubility titration in PBS. tells you whether the peptide survives long enough to act.",
        "evidence": "hydrophobic_burden 56% (high)",
        "turnaround_days": [
          3,
          7
        ],
        "tier": "biophysical_validation"
      }
    ]
  },
  "comment": "45 residues and not a single ordered fragment. weirdly hydrophobic up front, leucines and valines stacked like it wants to be a membrane helix, but the fold says pure loop. something is repressed here.",
  "tweet": {
    "id": "2067334205978419352",
    "url": "https://x.com/pepfoldagent/status/2067334205978419352"
  }
}