CGSC Strain#: 5190
Strain Designation: JM72      Source of Strain: M.C. Jones-Mortimer
Sex: F- Chromosomal Markers: thr-1, leuB6(Am), fhuA2::IS2, glnX44(AS), gal-6, λ^-, trp-1, hisG1, cysG55, malT1(λ^R), xyl-7, mtlA2, ΔargH1, rplL9(L?), 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
• thiE1 was formerly called thi-1
• xyl-7 was formerly called xylA7
• ::IS2 = Insertion of IS2
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• L? = assignment uncertain
• LamR = Lambda-resistant

References:

• Jones-Mortimer, MC 1968. Positive control of sulphate reduction in Escherichia coli. Isolation, characterization and mapping oc cysteineless mutants of E. coli K12. Biochem. J. 110(3):589-95.