4M8O:
reference: Structural basis for processive DNA synthesis by yeast DNA polymerase varepsilon., Hogg M, Osterman P, Bylund GO, Ganai RA, Lundstrom EB, Sauer-Eriksson AE, Johansson E, Nat Struct Mol Biol. 2014 Jan;21(1):49-55. doi: 10.1038/nsmb.2712. Epub 2013 Dec , 1. PMID: 24292646

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