CGSC Strain#: 5060
Strain Designation: ES129      Source of Strain: E. Siegel
Sex: F- Chromosomal Markers: leuB6(Am), fhuA2, lacY1, glnV44(AS), gal-6, λ^-, hisG1(Fs), rfbC1, non-9, galP63, argG6, malT1(λ^R), xyl-7, mtlA2, metB1
Strain Comments:

• leuB6(Am)-- Suppressed by serU suppressor (supH)
• glnV44(AS) was formerly called supE44
• glnV44(AS) was formerly called su⁺_II
• rfbC1 was formerly called rfbD1
• xyl-7 was formerly called xylA7
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• Fs = Frameshift mutation
• LamR = Lambda-resistant

References:

• Radke, K.L., E.C. Siegel 1971. Mutation preventing capsular polysaccharide synthesis in Escherichia coli K-12 and its effect on bacteriophage resistance. J.Bacteriol. 106:432-437