CGSC Strain#: 4315
Strain Designation: KL209      Source of Strain: M.C. Cappello
Sex: Hfr    Point of Origin#: 18   Map Position: 91.46   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: glnX44(AS), λ^-, rfbC1, thiE1, malK16(λ^R)
Strain Comments:

• The F factor is integrated within the malK locus in this Hfr; other markers: left argE right purA
• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• malK16(λ^R)-- F is integrated in the malKgene of the malB region.
• glnX44(AS) was formerly called glnV44
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• rfbC1 was formerly called rfbD1
• thiE1 was formerly called thi-1
• AS = amber(UAG) suppressor
• LamR = Lambda-resistant

References:

• Low, K.B. 1973. Rapid mapping of conditional and auxotrophic mutants of Escherichia coli K-12. J.Bacteriol. 113:798-812