CGSC Strain#: 2513
Strain Designation: HB4      Source of Strain: H. Boyer
Other Designations: AC2513
Sex: F- Chromosomal Markers: thr-11, leuB19, lac-12, lon-11, sulA1, rpsL56(strR), gal-13, pro-19
Strain Comments:

• E. coli B derivative.
• lon-11-- is a mutation of an E. coli B gene caused by an IS186 insertion in the promoter. All derivatives of Witkin's B wildtype carry this lon mutation.
• strR = streptomycin resist.

References:

• Boyer, H. 1964. Genetic control of restriction and modification in Escherichia coli. J.Bacteriol. 88:1652-1660