2WP7:
reference: Crystal structure of DeSI-1, a novel deSUMOylase belonging to a putative isopeptidase superfamily., Suh HY, Kim JH, Woo JS, Ku B, Shin EJ, Yun Y, Oh BH, Proteins. 2012 Apr 13. doi: 10.1002/prot.24093. PMID: 22498933

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