CGSC Strain#: 8072
Strain Designation: MM38     
Source of Strain: M. Masters
Sex: F-
Chromosomal Markers: leuB6(Am)
,
fhuA2::IS2,
lacY1,
tsx-1,
glnX44(AS)
,
gal-6,
uhp-,
hisG1,
gyrA-0(NalR)
,
argG6,
rpsL104,
xyl-7,
pyrE-,
bgl-,
asnA31 or asnB32,
metB1Strain 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
- xyl-7 was formerly called xylA7
- = strep-resistant
- ::IS2 = Insertion of IS2
- Am = amber(UAG) mutation
- AS = amber(UAG) suppressor
- 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