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Integration of Stx phage P13374 into E. coli K-12 C600. (A) Integration of phage P13374 into the wrbA gene of E. coli C600. Selected genes and the attachment site of the bacteria (attB) and the phage (attP) are indicated. (B) Sequences flanking the attachment sites in E. coli strain C600, phage P13374, and the left (attL) and right (attR) core sequences in lysogenic C600 strains. wrbA* indicates a putative modified wrbA gene.
