CGSC Strain#: 247
Strain Designation: P4X-1     
Source of Strain: Paris Strain
Other Designations: AB247
Sex: F'
Episome/Plasmid: F2
Plasmid Markers/Mutations: Chromosomal Markers: relA1,
spoT1,
metB1,
Sfa(att)
2Strain Comments: - (No markers identified on plasmid.)
- spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- Sfa(att)2-- = sex factor attachment site of F2 in P4X.
References: - Adelberg, E.A., S.N. Burns 1960. Genetic variation in the sex factor of Escherichia coli. J.Bacteriol. 79:321-330
- Deonier, R. 1975. J.Mol.Biol. 107:207-0