| 2OPY: reference: Structure-activity based study of the Smac-binding pocket within the BIR3 domain of XIAP., Wist AD, Gu L, Riedl SJ, Shi Y, McLendon GL, Bioorg Med Chem. 2007 Apr 15;15(8):2935-43. Epub 2007 Feb 11. PMID: 17336535 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).