CGSC Strain#: 381
Strain Designation: AB381      Source of Strain: A.L. Taylor
Sex: F+ Chromosomal Markers: thr-1, leuB6(Am), lacZ4, glnV44(AS), λ^-, Δ(hisGo-hisI)19, purF1, rpsL8, thiE1
Strain Comments:

• leuB6(Am)-- Suppressed by serU suppressor (supH)
• purF1-- is a very stable mutation and may be an intragenic deletion.
• glnV44(AS) was formerly called supE44
• glnV44(AS) was formerly called su⁺_II
• thiE1 was formerly called thi-1
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor

References:

• Garrick-Silversmith, L., P.E. Hartman 1970. Histidine-requiring mutants of Escherichia coli K12. Genetics 66:231-244