CGSC Strain#: 4202
Strain Designation: KL168      Source of Strain: M.C. Cappello
Sex: Hfr    Point of Origin#: 45   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ^-, e14-, relA1, recB21, thiE1, deoB13
Strain Comments:

• This strain grows more slowly then do rec⁺ revertants so one must be careful not to select a rec⁺ derivative. The strain should be tested frequently upon subculture.
• This strain has been tested for suppressors and none were found.
• e14--- : Loss of the e14 element makes the strain McrA^-.
• thiE1 was formerly called thi-1

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