CGSC Strain#: 5915
Strain Designation: DG40      Source of Strain: W. Epstein
Other Designations: K1
Other Designations: JRG780
Sex: Hfr    Point of Origin#: 45   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ^-, Δ(ptsI-cysA)140, relA1, spoT1, thiE1
Strain Comments:

• 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:

• Gruol, D. J., W. Epstein 1976. Personal Commun. in reference cited above
• Gottesman, MM 1976. Isolation and characterization of a lambda specialized transducing phage for the Escherichia coli DNA ligase gene. Virology 72(1):33-44.