4DL2:
reference: Structural basis of human DNA polymerase eta-mediated chemoresistance to cisplatin., Zhao Y, Biertumpfel C, Gregory MT, Hua YJ, Hanaoka F, Yang W, Proc Natl Acad Sci U S A. 2012 Apr 23. PMID: 22529383

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).