CGSC Strain#: 5938
Strain Designation: S\O423     
Source of Strain: Sex: F-
Chromosomal Markers: his-205,
udk-2,
cdd-5,
upp-11,
relA1,
rpsL254(strR)
,
spoT1,
metB1Strain Comments: - spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- strR = streptomycin resist.
References: - Hammer-Jespersen, K., A. Munch-Petersen 1973. Mutants of Escherichia coli unable to metabolize cytidine: isolation and characterization. Mol.Gen.Genet. 126:177-186