CGSC Strain#: 6695
Strain Designation: DF657     
Source of Strain: D. Fraenkel
Sex: Hfr
Point of Origin#: 2A
Map Position: 12.20
Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: fhuA22,
λ-,
ompF627(T2R)
,
relA1,
pitA10,
spoT1,
Δfbp-287Strain Comments: - spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- Δfbp-287-- This deletion actually extends from ORFs ytfST-yjfF-fbp-mpl.
- T2R = T2 Resistant
References: - Sedivy, F. Daldal, D. Fraenkel 1984. Fructose bisphosphatase of Escherichia coli: cloning of the structural gene and preparation of a chromosomal deletion. J.Bacteriol. 158:1048-1053