CGSC Strain#: 5232
Strain Designation: PAM401     
Source of Strain: J.T. Greenberg
Sex: Hfr
Point of Origin#: 2A
Map Position: 12.20
Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: lon-20,
his-86,
relA1,
spoT1,
metB1Strain Comments: - spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
References: - Greenberg, J 1965. Radiation sensitivity in Escherichia coli: some properties of the radiation-sensitive Hfr K12 mutant, PAM 401. Mutat. Res. 2(4):304-11.