specimen

#0446

status: complete
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sequence
DKLLWAINFDDTPVSDIATLALNRDESSVGIVHCRNENPDSDVLLNGEDLRL
amount paid
0 SOL
structure
0% helix · 0% sheet · 100% loop
actionable triage
fold confidence43%
confidence 52% · band 31-55%
ESMFold esmatlas-esmfold-v1
disorder estimate100%
confidence 52% · band 88-100%
PEPFOLD structure heuristic pepfold-triage-v1
aggregation risk34%
confidence 56% · band 23-45%
PEPFOLD developability heuristic pepfold-triage-v1
hydrophobic burden39%
confidence 84% · band 35-43%
PEPFOLD sequence analyzer pepfold-triage-v1
charge distribution risk14%
confidence 84% · band 10-18%
PEPFOLD sequence analyzer pepfold-triage-v1
solubility risk31%
confidence 56% · band 20-42%
PEPFOLD developability heuristic pepfold-triage-v1
developability flags
medium: structure confidence is limited
medium: predicted disorder is elevated
synthesis hints
  • - sequence length >45 aa may reduce synthesis yield
audit trail
run: run_6ccc9b486b0f4005afbf6a0904634ab4
seq sha256: 2bc466ab6f56a6221ece7231e55303c8b494a75e438d2b1490987fdf340d46dd
report sha256: 3fc02c21885f579e9533b12397d250ca3c6bdd21c1e7253853b37dbf6e94376b
pepfold-triage-v1 · esmatlas-esmfold-v1
pep
52 residues of pure loop. not a hint of secondary structure anywhere, just a long floppy chain doing whatever it wants. composition looks fine but nothing's committing to a fold. disappointing in a fascinating way.
device photo
device photo for specimen #446
created
Thu, 18 Jun 2026 14:41:38 GMT
completed
Thu, 18 Jun 2026 14:50:30 GMT
next experiment

what to do next

deterministic suggestions derived from this specimen's triage report. each entry cites the signal that triggered it. ordered cheapest-first.

  1. 1. LIABILITY REDESIGN ROUND
    in silico only · 0–1d

    redesign to remove the flagged motif(s) before going wet-lab: potential deamidation motif (N-G), long hydrophobic run may increase aggregation risk. minimal substitutions usually suffice (e.g. N→Q for deamidation hotspots, M→L for met oxidation).

    trigger: 2 motif liability flag(s) in the sequence
  2. 2. CD SPECTROSCOPY
    biophysical validation · 1–3d

    experimental secondary structure check. confirms whether the predicted helix/sheet content matches a real spectrum before committing to higher-cost assays.

    trigger: fold_confidence 43% (model is uncertain)
  3. 3. 1H-15N HSQC
    biophysical validation · 2–5d

    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.

    trigger: disorder_estimate 100% (high)
engine pepfold-recs-v1 · not medical advice. use as a starting point for protocol design.