CGSC Strain#: 5128
Strain Designation: SA53      Source of Strain: Ahmad & Pritchard
Sex: Hfr    Point of Origin#: 100   Map Position: 7.70   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: argF58, upp-1, relA1, spoT1, udp-1, metB1, deoA22
Strain Comments:

• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.

References:

• Pritchard, R.H., S.I. Ahmad 1971. Fluorouracil and the isolation of mutants lacking uridine phosphorylase in E. coli: location of the gene. Mol.Gen.Genet. 111:84-88