Journal
NATURE REVIEWS MOLECULAR CELL BIOLOGY
Volume 8, Issue 2, Pages 127-138Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nrm2099
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The recombinases of the RecA family are often viewed only as DNA-pairing proteins-they bind to one DNA segment, align it with homologous sequences in another DNA segment, promote an exchange of DNA strands and then dissociate. To a first approximation, this description seems to fit the eukaryotic (Rad51 and Dmc1) and archaeal (RadA) RecA homologues. However, the bacterial RecA protein does much more, coupling ATP hydrolysis with DNA-strand exchange in a manner that greatly expands its repertoire of activities. This article explores the protein activities and experimental results that have identified RecA as a motor protein.
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