CGSC Strain#: 1927
Strain Designation: AB1927      Source of Strain: G. Eggertsson
Sex: Hfr    Point of Origin#: 12   Map Position: 68.80   Direction of Marker Transfer: Clockwise
Chromosomal Markers: glnX44(AS), λ^-, purF1, xyl-7, ΔargH1, metA28
Strain Comments:

• (Reference to mapping of metA28.)
• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• purF1-- is a very stable mutation and may be an intragenic deletion.
• 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
• AS = amber(UAG) suppressor

References:

• Howard-Flanders, P., R.P. Boyce, L. Theriot 1966. Three loci in Escherichia coli K-12 that control the excision of pyrimidine dimers and certain other mutagen products from DNA. Genetics 53:1119-1136