CGSC Strain#: 249
Strain Designation: PA214S^R,T6^R      Source of Strain: F. Jacob
Sex: F- Chromosomal Markers: thr-1, leuB6(Am), fhuA2::IS2, lacY1, tsx-2, glnX44(AS), gal-6, λ^-, hisG1, rfbC1, galP63, rpsL16(strR), malT1(λ^R), xyl-7, mtlA2, ppc-2, 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)
• hisG1-- This mutation has been reported as either a frameshift or a 36 nt deletion
• 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
• ppc-2 was formerly called glu-1
• rfbC1 was formerly called rfbD1
• thiE1 was formerly called thi-1
• xyl-7 was formerly called xylA7
• ::IS2 = Insertion of IS2
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• LamR = Lambda-resistant
• strR = streptomycin resist.

References:

• Glansdorff, N. 1965. Topography of cotransducible arginine mutations in Escherichia coli K-12. Genetics 51:167-179