| 3I1U: reference: The X-Ray Structure of Carboxypeptidase A Inhibited by a Thiirane Mechanism-Based Inhibitor., Fernandez D, Testero S, Vendrell J, Aviles FX, Mobashery S, Chem Biol Drug Des. 2009 Nov 4. PMID: 19895506 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).