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Review
. 2006 Feb;16(1):35-41.
doi: 10.1016/j.sbi.2005.12.004. Epub 2006 Jan 11.

Clamp loaders and replication initiation

Mike O'Donnell  1 , John Kuriyan
Affiliations
Review

Clamp loaders and replication initiation

Mike O'Donnell et al. Curr Opin Struct Biol. 2006 Feb.

Abstract

Clamp loaders are ATP-driven multiprotein machines that couple ATP hydrolysis to the opening and closing of a circular protein ring around DNA. This ring-shaped clamp slides along DNA, and interacts with numerous proteins involved in DNA replication, DNA repair and cell cycle control. Recently determined structures of clamp loader complexes from prokaryotic and eukaryotic sources have revealed exciting new details of how these complex AAA+ machines perform this essential clamp loading function.

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