1OK7:
reference: Structural and biochemical analysis of sliding clamp/ligand interactions suggest a competition between replicative and translesion DNA polymerases., Burnouf DY, Olieric V, Wagner J, Fujii S, Reinbolt J, Fuchs RP, Dumas P, J Mol Biol. 2004 Jan 30;335(5):1187-97. PMID: 14729336

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