Article
Rad53 checkpoint kinase regulation of DNA replication fork rate via Mrc1 phosphorylation.
eLife - 13 Aug 2021
McClure Allison W, Diffley John Fx
Abstract excerpt
The Rad53 DNA checkpoint protein kinase plays multiple roles in the budding yeast cell response to DNA replication stress. Key amongst these is its enigmatic role in safeguarding DNA replication forks. Using DNA replication reactions reconstituted with purified proteins, we show Rad53 phosphorylation of Sld3/7 or Dbf4-dependent kinase blocks replication initiation whilst phosphorylation of Mrc1 or Mcm10 slows...
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