CGSC Strain#: 5137
Strain Designation: KL16-21-23      Source of Strain: H.L. Kornberg
Sex: Hfr    Point of Origin#: 45   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ^-, e14-, Δ(manZ-kdgR)82, fruA3, relA1, spoT1, thiE1
Strain Comments:

• This strain was erroneously called "KL16-21" in the paper cited. The deletion of ptsM-kdgR was called " ptsX" and later, ptsM4.
• e14--- : Loss of the e14 element makes the strain McrA^-.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• thiE1 was formerly called thi-1

References:

• Ferenci, T, HL Kornberg 1971. Pathway of fructose utilization by Escherichia coli. FEBS Lett. 13(2):127-130.