CGSC Strain#: 5875
Strain Designation: FS173      Source of Strain: P.F. Sparling
Sex: F- Chromosomal Markers: leuB6(Am), fhuA2::IS2, lacZ4, tsx-1, glnX44(AS), λ^-, ksgB1, argG6, rpsL104, malT1(λ^R), xyl-7, mtlA2, metB1
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)
• fhuA2::IS2 was formerly called fhuA2
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• xyl-7 was formerly called xylA7
• = strep-resistant
• ::IS2 = Insertion of IS2
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• LamR = Lambda-resistant

References:

• Sparling, P.F., Y. Ikeya, D. Elliot 1973. Two genetic loci for resistance to kasugamycin in Escherichia coli. J.Bacteriol. 113:704-710