18fa6469 FLP excision of kanR cassette
t.meany · branch marker-cured · 2026-10-29 09:40 UTC
Record
| genotype | dlacZ (scar) |
|---|---|
| marker | none |
| phenotype | Lac-, Kan sensitive |
| protocol | pCP20 at 30C, cured at 43C |
| strain | MG1655 dlacZ cured |
| full sha | 18fa646982a3c9e8fe3f805c0b80028d5e450451 |
Barcode (format v0)
GGTCTCAACGATTGGCGCACGGCGTTGAGACC32 nt · structure: 7 nt anchor + 16 nt payload (first 8 hex chars of the commit sha at 2 bits/base) + 2 nt checksum + 7 nt anchor. Integrate at a neutral genomic site; any single-base read error in the core is detected by the checksum.
GC 62% max homopolymer 2 no restriction sites in core
Constraint warnings are informational in v0 — the commit id is fixed by content, so a failing barcode flags a candidate for re-encoding strategies (a v1 concern).