CGSC Strain#: 4818
Strain Designation: UC2157      Source of Strain: Belfort & Wulff
Sex: F- Chromosomal Markers: fhuA2::IS2, lacY1 or lacZ4, tsx-1 or tsx-70, glnX44(AS), gal-6, xyl-7, mtlA2, hfl-1, mut-14
Strain Comments:

• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• hfl-1-- is deleted for hflC, hflK,or both
• mut-14-- is probably a mutation at the mutL locus.
• fhuA2::IS2 was formerly called fhuA2
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• xyl-7 was formerly called xylA7
• ::IS2 = Insertion of IS2
• AS = amber(UAG) suppressor

References:

• Belfort, M., D. Wulff 1971. A mutant of Escherichia coli that is lysogenized with high frequency. In: The Bacteriophage Lambda