Article
The ORC/Cdc6/MCM2-7 complex facilitates MCM2-7 dimerization during prereplicative complex formation.
Nucleic acids research - 1 Feb 2014
Evrin Cecile, Fernández-Cid Alejandra, Riera Alberto, Zech Juergen, Clarke Pippa, Herrera M Carmen, Tognetti Silvia, Lurz Rudi, Speck Christian
Abstract excerpt
The replicative mini-chromosome-maintenance 2-7 (MCM2-7) helicase is loaded in Saccharomyces cerevisiae and other eukaryotes as a head-to-head double-hexamer around origin DNA. At first, ORC/Cdc6 recruits with the help of Cdt1 a single MCM2-7 hexamer to form an 'initial' ORC/Cdc6/Cdt1/MCM2-7 complex. Then, on ATP hydrolysis and Cdt1 release, the 'initial' complex is transformed into an ORC/Cdc6/MCM2-7 (OCM)...
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