Article
Structure of a mutant form of proliferating cell nuclear antigen that blocks translesion DNA synthesis.
Biochemistry - 16 Dec 2008
Freudenthal Bret D, Ramaswamy S, Hingorani Manju M, Washington M Todd
Abstract excerpt
Proliferating cell nuclear antigen (PCNA) is a homotrimeric protein that functions as a sliding clamp during DNA replication. Several mutant forms of PCNA that block translesion DNA synthesis have been identified in genetic studies in yeast. One such mutant protein (encoded by the rev6-1 allele) is a glycine to serine substitution at residue 178, located at the subunit interface of PCNA. To improve our...
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