2CJY:
reference: Extended substrate recognition in caspase-3 revealed by high resolution X-ray structure analysis., Ganesan R, Mittl PR, Jelakovic S, Grutter MG, J Mol Biol. 2006 Jun 23;359(5):1378-88. Epub 2006 May 11. PMID: 16787777

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