CGSC Strain#: 5823
Strain Designation: JBK248     
Source of Strain: J.B. Kirschbaum
Sex: F-
Chromosomal Markers: fhuA22,
lacY1,
glnX44(AS)
,
gal-6,
λ-,
hisG1,
mgl-50,
malT1(λ
R)
,
xyl-7,
mtlA2,
metB1,
rplL9(L?)
,
rpoC110(ts)
,
thiE1Strain Comments: - 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
- 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
- xyl-7 was formerly called xylA7
- AS = amber(UAG) suppressor
- L? = assignment uncertain
- LamR = Lambda-resistant
- ts = Temperature Sensitive
References: - Kirschbaum, JB 1978. A mutation in the gene for the beta' subunit of Escherichia coli RNA polymerase which specifically affects transcription of the rpoBC operon. J. Mol. Biol. 119(1):37-47.