CGSC Strain#: 3061
Strain Designation: AB3061      Source of Strain: P. Howard-Flanders
Sex: Hfr    Point of Origin#: 15   Map Position: 6.96   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: glnX44(AS), hisG4(Oc), recA13, rpsL8 or rpsL33(strR)
Strain Comments:

• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• recA13-- Amino acid substitution Leu 51 Phe
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• AS = amber(UAG) suppressor
• Oc = ochre(UAA) mutation
• strR = streptomycin resist.

References:

• Hertman, IM 1967. Isolation and characterization of a recombination-deficient Hfr strain. J. Bacteriol. 93(2):580-3.