CGSC Strain#: 6470
Strain Designation: χ586      Source of Strain: D. Berg and Curtiss
Other Designations: chi586
Sex: Hfr    Point of Origin#: 137(TP-TOR33)   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: TP(lacI-purE)33, glnV42(AS), λ^-, serA12, T3R
Strain Comments:

• TP(lacI-purE)33-- is a transposition of F251 between proB and proA leu proB proC purE > lac proA gal
• glnV42(AS) was formerly called supE42
• AS = amber(UAG) suppressor

References:

• Berg, CM, R Curtiss 1967. Transposition derivatives of an Hfr strain of Escherichia coli K-12. Genetics 56(3):503-25.