CGSC Strain#: 8250
Strain Designation: NCM525      Source of Strain: N. Majdalani
Sex: F- Chromosomal Markers: lacIp-4000(lacI^Q), zah-2225::FRT, λ^-, rph-1
Strain Comments:

• zah-2225::FRT-- is the same as zah-2224::cat with the cat cassette removed
• rph-1-- is a 1 bp deletion that results in frameshift over last 15 codons and has polar effect on pyrE leading to suboptimal pyrimidine levels on minimal medium.(Jensen 1993 JBact.175:3401)

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