Replication factor C
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The replication factor C, or RFC, is a five-subunit protein complex that is required for DNA replication. The subunits of this heteropentamer are named Rfc1, Rfc2, Rfc3, Rfc4, and Rfc5 (in S. cerevisiae). RFC is used in eukaryotic replication as a clamp loader, similar to the Gamma Complex in E. coli.