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Title: Coordinated actions of RuvABC in Holliday junction processing. Author: Zerbib D, Mézard C, George H, West SC. Journal: J Mol Biol; 1998 Aug 28; 281(4):621-30. PubMed ID: 9710535. Abstract: The RuvA, RuvB and RuvC proteins of Escherichia coli process Holliday junctions during genetic recombination and DNA repair. Biochemical studies have shown that RuvA and RuvB promote branch migration whereas RuvC resolves junctions by endonucleolytic cleavage. Here we show that RuvAB stimulate Holliday junction resolution by RuvC. Elevated RuvC activity was dependent upon RuvAB-mediated ATP-hydrolysis. These results show that the three Ruv proteins work in a coordinated manner to promote Holliday junction resolution, and account for the resolvase-defective phenotype exhibited by ruvA, ruvB or ruvC mutant strains.[Abstract] [Full Text] [Related] [New Search]