CGSC Strain#: 4314
Strain Designation: KL208     
Source of Strain: M.C. Cappello
Sex: Hfr
Point of Origin#: 43
Map Position: 31.58
Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ-,
relA1,
spoT1Strain Comments: - This strain is suppressor-free.
- spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
References: - Low, K.B. 1973. Rapid mapping of conditional and auxotrophic mutants of Escherichia coli K-12. J.Bacteriol. 113:798-812
- Virolle, MJ, JP Gélugne, S Béjar, JP Bouché 1983. Origin of Escherichia coli K-12 Hfr B7. J. Bacteriol. 153(2):610-5.