3ZHT:
reference: A dual conformation of the post-decarboxylation intermediate is associated with distinct enzyme states in mycobacterial alpha-ketoglutarate decarboxylase (KGD)., Wagner T, Barilone N, Alzari PM, Bellinzoni M, Biochem J. 2013 Oct 31. PMID: 24171907

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