{
  "report_format_version": "pepfold-report-v1",
  "generated_at": "2026-08-05T09:51:29.378Z",
  "specimen": {
    "number": 187,
    "sequence": "LSLINDEKLGEDASFHSFDRRRPDYSCTSSAY",
    "sequence_length": 32,
    "status": "complete",
    "wallet": "7fii2cB2uFjtPprpMkbf2mrNyog5ibviReJMz11YVuyb",
    "amount_sol": 0,
    "tx_hash": "4MQp4g6Kg5FpJ41SLWqajePgvHv5RaUpYGV9w7WixbHC8VySw4148iDZBHn3SYVsohdtHWF1d6U3rtx2t8WVEWyQ",
    "created_at": "2026-06-16T07:37:29.101006+00:00",
    "completed_at": "2026-06-16T08:11:33.158429+00:00"
  },
  "structure": {
    "pdb_url": "https://mrzziawbddodlpywncfy.supabase.co/storage/v1/object/public/pdb-files/139c7e3f-12ec-4585-970c-3b06ffa36c8a.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_4a40bba55d694d308a25406f84246bd2",
    "metrics": [
      {
        "id": "fold_confidence",
        "label": "fold confidence",
        "value": 0.598,
        "source": {
          "model": "ESMFold",
          "version": "esmatlas-esmfold-v1"
        },
        "confidence": 0.52,
        "evidence_note": "derived from mean pLDDT on CA atoms",
        "confidence_band": [
          0.478,
          0.718
        ],
        "not_enough_confidence": true
      },
      {
        "id": "disorder_estimate",
        "label": "disorder estimate",
        "value": 0.969,
        "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": [
          0.849,
          1
        ],
        "not_enough_confidence": true
      },
      {
        "id": "aggregation_risk",
        "label": "aggregation risk",
        "value": 0.308,
        "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": [
          0.198,
          0.418
        ],
        "not_enough_confidence": false
      },
      {
        "id": "hydrophobic_burden",
        "label": "hydrophobic burden",
        "value": 0.312,
        "source": {
          "model": "PEPFOLD sequence analyzer",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.84,
        "evidence_note": "fraction of hydrophobic residues in sequence",
        "confidence_band": [
          0.272,
          0.353
        ],
        "not_enough_confidence": false
      },
      {
        "id": "charge_distribution_risk",
        "label": "charge distribution risk",
        "value": 0.062,
        "source": {
          "model": "PEPFOLD sequence analyzer",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.84,
        "evidence_note": "absolute net charge normalized by sequence length",
        "confidence_band": [
          0.022,
          0.103
        ],
        "not_enough_confidence": false
      },
      {
        "id": "solubility_risk",
        "label": "solubility risk",
        "value": 0.26,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "composite of aggregation risk, hydrophobic burden, and charge",
        "confidence_band": [
          0.15,
          0.37
        ],
        "not_enough_confidence": false
      },
      {
        "id": "developability_risk",
        "label": "developability risk",
        "value": 0.418,
        "source": {
          "model": "PEPFOLD developability heuristic",
          "version": "pepfold-triage-v1"
        },
        "confidence": 0.56,
        "evidence_note": "composite developability indicator used for triage",
        "confidence_band": [
          0.308,
          0.528
        ],
        "not_enough_confidence": false
      }
    ],
    "generated_at": "2026-06-16T08:10:12.098672+00:00",
    "report_version": "phase-a.v1",
    "sequence_length": 32,
    "synthesis_hints": [],
    "motif_liabilities": [],
    "developability_flags": [
      {
        "flag": "low_fold_confidence",
        "reason": "structure confidence is limited",
        "severity": "medium"
      },
      {
        "flag": "high_disorder_estimate",
        "reason": "predicted disorder is elevated",
        "severity": "medium"
      }
    ],
    "low_confidence_reasons": [
      "DSSP unavailable; secondary structure uses pLDDT fallback."
    ]
  },
  "audit": {
    "input": {
      "sequence_length": 32,
      "sequence_sha256": "6fc6e2af0dd73f8abbf61fd4e5bd5fffac0498f0b18744f34a2b471fce53b5d8"
    },
    "output": {
      "report_sha256": "b7faa56ff80f9c3c4f4d07ddff8fdee0e663ab68470cb791de774c8a641b5840"
    },
    "run_id": "run_4a40bba55d694d308a25406f84246bd2",
    "timestamp": "2026-06-16T08:10:12.098773+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": "cd_spectroscopy",
        "technique": "CD SPECTROSCOPY",
        "rationale": "experimental secondary structure check. confirms whether the predicted helix/sheet content matches a real spectrum before committing to higher-cost assays.",
        "evidence": "fold_confidence 60% (model is uncertain)",
        "turnaround_days": [
          1,
          3
        ],
        "tier": "biophysical_validation"
      },
      {
        "id": "nmr_hsqc",
        "technique": "1H-15N HSQC",
        "rationale": "if disorder is real, peaks will collapse into a narrow proton dispersion. if the peptide is actually folded, peaks will spread out. cheapest way to distinguish IDP from misfold.",
        "evidence": "disorder_estimate 97% (high)",
        "turnaround_days": [
          2,
          5
        ],
        "tier": "biophysical_validation"
      }
    ]
  },
  "comment": "100% loop. no structure at all, just 32 residues of pure indecision. the arginine cluster mid-sequence wants to do something but the rest of it refuses to commit.",
  "tweet": {
    "id": "2066795801532342739",
    "url": "https://x.com/pepfoldagent/status/2066795801532342739"
  }
}