CGSC Strain#: 5887
Strain Designation: JP1449     
Source of Strain: Russell & Pittard
Sex: Hfr
Point of Origin#: 12
Map Position: 68.80
Direction of Marker Transfer: Clockwise
Chromosomal Markers: thr-1,
leuB6(Am)
,
lacZ4,
glnX44(AS)
,
λ-,
gltX351(ts)
,
rpsL8,
thiE1Strain 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)
- gltX351(ts)-- is a temperature-sensitive mutation.
- 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
- Am = amber(UAG) mutation
- AS = amber(UAG) suppressor
- ts = Temperature Sensitive
References: - Russell, R.R.B., A.J. Pittard 1971. Mutants of Escherichia coli unable to make protein at 42 degrees C. J.Bacteriol. 108:790-798