1DXW:
reference: Inhibitor binding induces active site stabilization of the HCV NS3 protein serine protease domain., Barbato G, Cicero DO, Cordier F, Narjes F, Gerlach B, Sambucini S, Grzesiek S, Matassa VG, De Francesco R, Bazzo R, EMBO J 2000 Mar 15;19(6):1195-206. PMID: 10716920

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