CGSC Strain#: 4604
Strain Designation: DS-3      Source of Strain: R. Wilhelm
Sex: F- Chromosomal Markers: phoA4(Am), serU132(AS), his-45, rpsL114(strR), valR116
Strain Comments:

• phoA4(Am)-- is Garen's phoAS26 . It is suppressed by leuX151, glnV33(=supE33) and serU132(=supD32).
• valR116-- the nature of Val^R is not known.
• serU132(AS) was formerly called Su1⁺
• serU132(AS) was formerly called supD32
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• strR = streptomycin resist.

References:

• Hoffman, E.P., R. Wilhelm 1970. Genetic mapping and dominance of the amber suppressor, Su1 (supD) in Escherichia coli K-12. J.Bacteriol. 103:32-36