CGSC Strain#: 7750
Strain Designation: JE7350      Source of Strain: Y. Hirota
Sex: F- Chromosomal Markers: leuB6(Am), secA206(aziR), fhuA23, lacY1, tgt-1, entA403, glnX44(AS), λ^-, trpE38, rpsL109(strR), xylA5, mtl-1, thiE1
Strain Comments:

• Received from National Institute of Genetics, Japan, their No.1909.
• 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
• thiE1 was formerly called thi-1
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• aziR = azide resistance
• strR = streptomycin resist.

References:

• Noguchi, S., Y. Nishimura, S. Nishimura 1982. Isolation and characterization of an Escherichia coli mutant lacking tRNA-guanine transglycosylase. J.Biol.Chem. 257:6544-6550