CGSC Strain#: 8205
Strain Designation: W2252     
Source of Strain: J. Lederberg
Sex: Hfr
Point of Origin#: 2A
Map Position: 12.20
Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ-,
relA1,
spoT1,
metB1,
mcrB1,
creC510Strain Comments: - Grown in March 2006 from a 1953 lyophil deposited with us by the Lederberg lab
- spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- creC510-- The constitutive phenotype is due to an R77P amino acid substitution
- creC510 was formerly called phoM510
- Const = constitutive
References: - Bachmann, B.J. 1996. Derivation and genotypes of some mutant derivatives of Escherichia coli K-12. In: Neidhardt et al., eds. ASM:2460-2488