ZipHelixEscherichia coli
E. coli BL21(DE3)
Reference assembly GCF_000022665.1
- Annotated genes
- 4,449
- Total reference length
- 4,558,953 bp
- Reference sequences
- 1
- Annotation
- NCBI RefSeq · 2025-03-23
Reference context
- E. coli B-lineage expression strain, not a K-12 strain.
- MG1655 phenotype evidence is a related-strain lead, not direct BL21(DE3) evidence.
Explore genes
- araA · ECD_RS00330 — L-arabinose isomerase
- lacY · ECD_RS01570 — lactose permease
- lacZ · ECD_RS01575 — beta-galactosidase
- lacI · ECD_RS01580 — DNA-binding transcriptional repressor LacI
- lacI · ECD_RS03700 — DNA-binding transcriptional repressor LacI
- hisD · ECD_RS10140 — histidinol dehydrogenase
Reference sources
NCBI assembly record · Reference annotation
Coordinates apply to this exact assembly. Laboratory stocks and other strains may differ.