CGSC Strain#: 320
Strain Designation: AT-20     
Source of Strain: A.L. Taylor
Sex: Hfr
Point of Origin#: Map Position: Chromosomal Markers: lacY1,
lacZ4,
glnV44(AS)
,
gal-6,
relA1,
rpsL17,
rpsL8,
mtlA2,
metB1,
thiE1Strain Comments: - glnV44(AS) was formerly called supE44
- glnV44(AS) was formerly called su+II
- thiE1 was formerly called thi-1
- = strep-resistant
- AS = amber(UAG) suppressor
References: - Taylor, AL, EA Adelberg 1960. Linkage Analysis with Very High Frequency Males of Escherichia Coli. Genetics 45(9):1233-43.