6VMW:
reference: Roles of active site residues in catalysis, substrate binding, cooperativity and the reaction mechanism of the quinoprotein glycine oxidase., Mamounis KJ, Yukl ET, Davidson VL, J Biol Chem. 2020 Mar 31. pii: RA120.013198. doi: 10.1074/jbc.RA120.013198. PMID: 32234764

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