CGSC Strain#: 4867
Strain Designation: R4-5      Source of Strain: H.L. Kornberg
Sex: Hfr    Point of Origin#: 100   Map Position: 7.70   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: argF58, relA1, spoT1, metB1, aceA1
Strain Comments:

• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• aceA1-- is called icl-1 by Kornberg.

References:

• Brice, C.B., H.L. Kornberg 1968. Genetic control of isocitrate lyase activity in Escherichia coli. J.Bacteriol. 96:2185-2186