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Homology determinants implicated in lysogenic conversion. (A) Design of a variant of CTXφ specifically integrating at dif2. The legend is as in Figs. 1C and 2C. (B) Scheme showing the possible pairing interactions between difG and attPET(+) or attPCl(+). The legend is as in Fig. 1C. (C) V. cholerae XerCD-mediated recombination of attPG(+) with dif1, dif2, and difG. A scheme of the possible pairing interactions is shown above the gels. The legend is as in Figs. 1C and 2C.
