CGSC Strain#: 4475
Strain Designation: W102     
Source of Strain: J. Lederberg
Sex: F-
Chromosomal Markers: thr-1,
leuB6(Am)
,
glnX44(AS)
,
rfbC1,
malQ25,
thiE1Strain Comments: - Although most feedback on this strain reports that it is Mal- and λR, one report says it is Mal+, but λR. An alternative malQ- strain is available.
- leuB6(Am)-- Suppressed by serU suppressor (supH)
- glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
- glnX44(AS) was formerly called su+II
- glnX44(AS) was formerly called supE44
- glnX44(AS) was formerly called glnV44
- rfbC1 was formerly called rfbD1
- thiE1 was formerly called thi-1
- Am = amber(UAG) mutation
- AS = amber(UAG) suppressor
References: - Wiesmayer, M. Cohn 1960. The characterization of the pathway of maltose utilization by E. coli. I. Biochim.Biophys.Acta 39:417
- Wiesmeyer, H., M. Cohn 1960. The characterization of the pathway of maltose utilization by Escherichia coli. III. A description of the concentrating mechanism. Biochim.Biophys.Acta 39:440-447