CGSC Strain#: 5962
Strain Designation: DF234      Source of Strain: D. Fraenkel
Sex: Hfr    Point of Origin#: 2A   Map Position: 12.20   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: fhuA22, gapA7(ts), relA1, pitA10, spoT1, T2R
Strain Comments:

• gapA7(ts)-- is a temperature-sensitive mutation.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• T2R-- : selected for resistance to phage T2
• ts = Temperature Sensitive

References:

• Hillman, JD, DG Fraenkel 1975. Glyceraldehyde 3-phosphate dehydrogenase mutants of Escherichia coli. J. Bacteriol. 122(3):1175-9.