CGSC Strain#: 4012
Strain Designation: K12SH-28      Source of Strain: Fangman & Novick
Sex: F- Chromosomal Markers: glnX44(AS), λ^-, deoA21
Strain Comments:

• deoA21 was formerly called tpp-21.
• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• AS = amber(UAG) suppressor

References:

• Fangman, WL, A Novick 1966. Mutant bacteria showing efficient utilization of thymidine. J. Bacteriol. 91(6):2390-1.
• Bierne, H, D Vilette, SD Ehrlich, B Michel 1997. Isolation of a dnaE mutation which enhances RecA-independent homologous recombination in the Escherichia coli chromosome. Mol. Microbiol. 24(6):1225-34.