4COK:
reference: Structure and functional characterization of pyruvate decarboxylase from Gluconacetobacter diazotrophicus., van Zyl LJ, Schubert WD, Tuffin MI, Cowan DA, BMC Struct Biol. 2014 Nov 5;14(1):21. PMID: 25369873

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