5L9W:
reference: Structure of the acetophenone carboxylase core complex: prototype of a new class of ATP-dependent carboxylases/hydrolases., Weidenweber S, Schuhle K, Demmer U, Warkentin E, Ermler U, Heider J, Sci Rep. 2017 Jan 5;7:39674. doi: 10.1038/srep39674. PMID: 28054554

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