CGSC Strain#: 5963
Strain Designation: DF240     
Source of Strain: D. Fraenkel
Sex: Hfr
Point of Origin#: 1
Map Position: 96.80
Direction of Marker Transfer: Clockwise
Chromosomal Markers: lacI22,
λ-,
e14-,
gapA7(ts)
,
relA1,
spoT1,
thiE1Strain Comments: - (Strain discussed, beginning in last sentence on p. 1177, but designation not given.)
- e14--- : Loss of the e14 element makes the strain McrA-.
- 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.
- lacI22 was formerly called laci3-
- lacI22 was formerly called lacI3
- thiE1 was formerly called thi-1
- ts = Temperature Sensitive
References: - Hillman, JD, DG Fraenkel 1975. Glyceraldehyde 3-phosphate dehydrogenase mutants of Escherichia coli. J. Bacteriol. 122(3):1175-9.