CGSC Strain#: 7262
Strain Designation: AB313-136      Source of Strain: M.A. Eisenberg
Sex: Hfr    Point of Origin#: 13   Map Position: 84.98   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: thr-1, leuB6(Am), lacZ4, glnX44(AS), rfbC1, rpsL8, birA136, thiE1
Strain Comments:

• leuB6(Am)-- Suppressed by serU suppressor (supH)
• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• rfbC1 was formerly called rfbD1
• thiE1 was formerly called thi-1
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor

References:

• Eisenberg, M.A., B. Mee, O. Prakash, M.R. Eisenberg 1975. Properties of alpha-dehydrobiotin-resistant mutants of Escherichia coli K-12. J.Bacteriol. 122:66-72