CGSC Strain#: 8072
Strain Designation: MM38      Source of Strain: M. Masters
Sex: F- Chromosomal Markers: leuB6(Am), fhuA2, lacY1, tsx-1, glnV44(AS), gal-6, uhp-, hisG1(Fs), gyrA-0(NalR), argG6, rpsL104, xyl-7, pyrE-, bgl-, asnA31 or asnB32, metB1
Strain Comments:

• leuB6(Am)-- Suppressed by serU suppressor (supH)
• glnV44(AS) was formerly called supE44
• glnV44(AS) was formerly called su⁺_II
• xyl-7 was formerly called xylA7
• = strep-resistant
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• Fs = Frameshift mutation
• NalR = Nalidix.acidResist.

References:

• Masters, M., M.D. Colloms, I.R. Oliver, L. He, E.J. MacNaughton, Y. Charters 1993. The pcnB gene of Escherichia coli, which is required for ColE1 copy number maintenance, is dispensable. J.Bacteriol. 175:4405-4413