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fix: correct SEED-020 novelty — VAR_004/VAR_002 carry patent risk (DRAMP05502/05504) - #110

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cschanhniem merged 2 commits into
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fix/seed020-novelty-patent-risk-correction
Jun 29, 2026
Merged

cschanhniem merged 2 commits into
mainfrom
fix/seed020-novelty-patent-risk-correction

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Summary

The preliminary broad novelty check (72-AMP curated DB, no patent sequences) returned
NOVEL for SEED-020_VAR_004 and SEED-020_VAR_002, and this was incorrectly propagated into
the merged wave 0.5b docs. The full BLOSUM62 audit against 27,234 sequences (APD6 + DRAMP
general + DRAMP patent + UniProt) shows both candidates have patent proximity:

Candidate Sequence Full-DB result Best hit Risk
SEED-020_VAR_004 RLRIRVLKRLLK CLOSE_RELATIVE DRAMP05502 (patent) 75% POSSIBLE_PATENT_RISK
SEED-020_VAR_002 KVRIRVLKRLLK CLOSE_RELATIVE DRAMP05504 (patent) 67% POSSIBLE_PATENT_RISK
SEED-020_VAR_008 RVRIKVLKRLLK CLOSE_RELATIVE DRAMP31150 (public) 67% CLEAR — safe fallback
SEED-019_VAR_004 RVRIRLVKRLLK CLOSE_RELATIVE DRAMP05502 (patent) 66.7% POSSIBLE_PATENT_RISK

The alignment for VAR_004 vs DRAMP05502 C-terminal repeat:

RLRIRVLKRLLK   (SEED-020_VAR_004)
 ||..|.|||||| 
RLLKRLLKRLLK   (DRAMP05502 C-terminal, positions 9–21)
9/12 = 75% identity

Changes

  • docs/WET_LAB_HANDOFF.md: Table corrected (NOVEL → CLOSE_RELATIVE + patent %);
    IP NOTE expanded to cover all three SEED-019/020 candidates; SEED-020_VAR_008 added
    as the publication-safe fallback row; Novelty paragraph rewritten
  • docs/EXPERT_REVIEW_PACK.md: Family table novelty column corrected; wave 0.5b
    addendum rewritten with explicit ⚠ correction block naming the DRAMP05502/05504
    alignments; "no patent DB matches" claim removed

Local outputs/wave1_final_panel.csv (gitignored) updated separately: novelty_class
corrected from NOVEL → CLOSE_RELATIVE for VAR_004 and VAR_002.

Test plan

  • 1372 tests pass (pre-push hook confirmed)
  • No code changes — docs-only correction
  • VAR_008 added to WET_LAB_HANDOFF table as the CLEAR fallback
  • IP clearance search against DRAMP05502/05504 patent families before synthesis
  • If VAR_008 is substituted for VAR_004/VAR_002, re-run assay pre-registration section

🤖 Generated with Claude Code

…th patent risk

Full BLOSUM62 audit against 27,234-sequence DB (APD6+DRAMP general+patent+UniProt)
reveals the preliminary broad novelty check (72-AMP curated DB, no patent sequences)
was misleading:

- SEED-020_VAR_004 (RLRIRVLKRLLK): 75% identity to DRAMP05502 (patent)
- SEED-020_VAR_002 (KVRIRVLKRLLK): 67% identity to DRAMP05504 (patent)

Both reclassified CLOSE_RELATIVE / POSSIBLE_PATENT_RISK.

Docs updated:
- WET_LAB_HANDOFF.md: table corrected, IP NOTE expanded to cover all three
  SEED-019/020 candidates, Novelty paragraph rewritten; SEED-020_VAR_008
  (RVRIKVLKRLLK; CLEAR, no patent DB hit) added as the safe fallback
- EXPERT_REVIEW_PACK.md: family table corrected; wave 0.5b addendum rewritten
  with explicit ⚠ correction block naming DRAMP05502/05504 alignments

Local outputs/wave1_final_panel.csv updated (gitignored): novelty_class corrected
from NOVEL → CLOSE_RELATIVE for VAR_004 and VAR_002.

All 1372 tests pass.
- EXPERT_REVIEW_PACK.md table: expand DRAMP shorthand to
  "VAR_004/VAR_019→DRAMP05502; VAR_002→DRAMP05504" to eliminate ambiguity
  about which accession covers which candidate
- WET_LAB_HANDOFF.md table: mark VAR_008 row as "(fallback — see IP NOTE)"
  to prevent technicians from treating it as a current panel member
- WET_LAB_HANDOFF.md Novelty prose: tighten "no patent DB match" to
  "public DRAMP entry, no patent sub-database hit" matching EXPERT_REVIEW_PACK
  phrasing for precision

All 1372 tests pass.
@cschanhniem
cschanhniem merged commit 8c16d0f into main Jun 29, 2026
2 checks passed
@cschanhniem
cschanhniem deleted the fix/seed020-novelty-patent-risk-correction branch June 29, 2026 14:38
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