4P4M:
reference: Structures of the Leishmania infantum polymerase beta., Mejia E, Burak M, Alonso A, Larraga V, Kunkel TA, Bebenek K, Garcia-Diaz M, DNA Repair (Amst). 2014 Jun;18:1-9. doi: 10.1016/j.dnarep.2014.03.001. Epub 2014 , Mar 22. PMID: 24666693

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