A Ctf4 trimer couples the CMG helicase to DNA polymerase α in the eukaryotic replisome
2014
This study shows how the yeast Ctf4 protein couples the DNA helicase, Cdc45–MCM–GINS, to DNA polymerase α — the GINS subunit of the helicase and the polymerase use a similar interaction to bind Ctf4, suggesting that, as Ctf4 is a trimer, two polymerases could be simultaneously coupled to a single helicase during lagging-strand synthesis.
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