| 4BT3: reference: Structure and Mechanism of Acetolactate Decarboxylase., Marlow VA, Rea D, Najmudin S, Wills M, Fulop V, ACS Chem Biol. 2013 Aug 28. PMID: 23985082 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).