CGSC Strain#: 2577
Strain Designation: AB2577      Source of Strain: G. Eggertsson
Sex: F- Chromosomal Markers: araBAD-9, fhuA1, lacZ13(Oc), tsx-3, λ^-, trpE3(Oc), hisG4(Oc), rpsL8 or rplL9(L?), malT1(λ^R), mtl-1, ilvD188(Oc), metE46, tyrU20(OS), thiE1
Strain Comments:

• lacZ13(Oc)-- is lacZ₂ of Jacob, originating in Paris strain 3.320. It is an ochre, polar mutation.
• tyrU20(OS)-- polar; DES. Use AB2577 for tyrU20. tyrosine tRNA2
• thiE1 was formerly called thi-1
• LamR = Lambda-resistant
• Oc = ochre(UAA) mutation
• OS = ochre(UAA) suppressor
• strR = streptomycin resist.

References:

• Eggertsson, G., E.A. Adelberg 1965. Map positions and specificities of suppressor mutations in Escherichia coli K-12. Genetics 52:319-340