1SKS:
reference: Nucleotide insertion opposite a cis-syn thymine dimer by a replicative DNA polymerase from bacteriophage T7., Li Y, Dutta S, Doublie S, Bdour HM, Taylor JS, Ellenberger T, Nat Struct Mol Biol 2004 Aug;11(8):784-90. Epub 2004 Jul 4. PMID: 15235589

This OCA Structure page
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