Article
Mechanism of site-specific recombination. Logic of assembling recombinase catalytic site from fractional active sites.
The Journal of biological chemistry - 15 Aug 1993
Lee J, Jayaram M
Abstract excerpt
The active nucleophilic species in the strand cleavage and strand exchange steps of site-specific recombination by the Flp protein are the active site tyrosine (Tyr-343) of Flp and the 5'-hydroxyl of Flp-nicked DNA, respectively. The target phosphodiester, activated by Flp, can be cleaved by an exogenous nucleophile derived, for example, from H2O2. Flp variants that are defective in the phosphate activation step...
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