2I5O:
reference: Structure of the ubiquitin-binding zinc finger domain of human DNA Y-polymerase eta., Bomar MG, Pai MT, Tzeng SR, Li SS, Zhou P, EMBO Rep. 2007 Mar;8(3):247-51. Epub 2007 Feb 16. PMID: 17304240

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