CGSC Strain#: 6547
Strain Designation: CU505     
Source of Strain: H.E. Umbarger
Sex: F-
Chromosomal Markers: leu-455,
galT12,
λ-,
IN(rrnD-rrnE)1,
Δ(ilvE-ilvC)2049Strain Comments: - galT12-- was called gal4 in the Lederberg laboratory. It is the standard gal4 ( galT12) HFT source.
- IN(rrnD-rrnE)1-- Inverts the region between rrnD (73.74 min) and rrnE (90.66 min)
- Δ(ilvE-ilvC)2049-- Deleted region includes at least, ilvEDAYC
References: - Watson, MD, J Wild, HE Umbarger 1979. Positive control of ilvC expression in Escherichia coli K-12; identification and mapping of regulatory gene ilvY. J. Bacteriol. 139(3):1014-20.