| 2IZO: reference: Structure of an archaeal PCNA1-PCNA2-FEN1 complex: elucidating PCNA subunit and client enzyme specificity., Dore AS, Kilkenny ML, Jones SA, Oliver AW, Roe SM, Bell SD, Pearl LH, Nucleic Acids Res. 2006;34(16):4515-26. Epub 2006 Aug 31. PMID: 16945955 |
This OCA 
Structure page
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(documentation).