CGSC Strain#: 6385
Strain Designation: PLK983      Source of Strain: Bitner & Kuempel
Sex: F- Chromosomal Markers: gal-25, λ^-, ΔtrpE63, pyrF287, fnr-1, Rac-0, rpsL195(strR), iclR7(Const), trpR72(Am)
Strain Comments:

• pyrF287-- marker comes from Hfr 3000 YA287 and is described as a stable allele.
• iclR7(Const)-- renders this strain constitutive for isocitrate lyase.
• fnr-1 was formerly called nirR1
• ΔtrpE63 was formerly called DE(trpE5)
• Am = amber(UAG) mutation
• Const = constitutive
• strR = streptomycin resist.

References:

• Bitner, R.M., P. Kuempel 1982. P1 transduction mapping of the trg locus in rac+ and rac strains of Escherichia coli K-12. J.Bacteriol. 149:529-533