1IM4:
reference: Crystal structure of a DinB lesion bypass DNA polymerase catalytic fragment reveals a classic polymerase catalytic domain., Zhou BL, Pata JD, Steitz TA, Mol Cell 2001 Aug;8(2):427-37. PMID: 11545744

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