CGSC Strain#: 5975
Strain Designation: WU38      Source of Strain: E.M. Witkin
Sex: F- Chromosomal Markers: lon-11, sulA1, tyrA14, recA1
Strain Comments:

• 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.
• recA1-- : Missense mutation, altered isoelectric point. Sequenced: G to A for Nuc. 720 (Gly 160 Asp).

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