Article
Mrc1 and DNA polymerase epsilon function together in linking DNA replication and the S phase checkpoint.
Molecular cell - 10 Oct 2008
Lou Huiqiang, Komata Makiko, Katou Yuki, Guan Zhiyun, Reis Clara C, Budd Martin, Shirahige Katsuhiko, Campbell Judith L
Abstract excerpt
Yeast Mrc1, ortholog of metazoan Claspin, is both a central component of normal DNA replication forks and a mediator of the S phase checkpoint. We report that Mrc1 interacts with Pol2, the catalytic subunit of DNA polymerase epsilon, essential for leading-strand DNA replication and for the checkpoint. In unperturbed cells, Mrc1 interacts independently with both the N-terminal and C-terminal halves of Pol2 (Pol2N...
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