2HDE:
reference: Structure of SAP18: a ubiquitin fold in histone deacetylase complex assembly., McCallum SA, Bazan JF, Merchant M, Yin J, Pan B, de Sauvage FJ, Fairbrother WJ, Biochemistry. 2006 Oct 3;45(39):11974-82. PMID: 17002296

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