1P76:
reference: Three-dimensional model of a substrate-bound SARS chymotrypsin-like cysteine proteinase predicted by multiple molecular dynamics simulations: catalytic efficiency regulated by substrate binding., Pang YP, Proteins. 2004 Dec 1;57(4):747-57. PMID: 15690493

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