CGSC Strain#: 4356
Strain Designation: KL267      Source of Strain: M.C. Cappello
Sex: Hfr    Point of Origin#: 45   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ^-, e14-, cysJ43, argA21, spoT1, thiE1, deoB13
Strain Comments:

• e14--- : Loss of the e14 element makes the strain McrA^-.
• cysJ43-- - the cys allele was formerly thought to be in cysC.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• thiE1 was formerly called thi-1

References:

• Lloyd, R.G., K.B. Low, G.N. Godson, E.A. Birge 1974. Isolation and characterization of an Escherichia coli K-12 mutant with a temperature-sensitive RecA- phenotype. J.Bacteriol. 120:407-415