CGSC Strain#: 5569
Strain Designation: RE74      Source of Strain: R.C. Essenberg
Sex: Hfr    Point of Origin#: 2A   Map Position: 12.20   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: garB10, fhuA22, uhp-40, fadL701(T2R), relA1, pyrE41, tnaA6, metB1, mcrB1, creC510, gltSo14, T2R
Strain Comments:

• creC510-- The constitutive phenotype is due to an R77P amino acid substitution
• T2R-- : selected for resistance to phage T2
• gltSo14-- is Halpern's gltC7.
• creC510 was formerly called phoM510
• Const = constitutive
• T2R = T2 Resistant

References:

• Marcus, M., Y.S. Halpern 1969. Genetic analysis of the glutamate permease in Escherichia coli K-12. J.Bacteriol. 97:1118-1128