2OOV:
reference: Exploring molecular oxygen pathways in Hansenula polymorpha copper-containing amine oxidase., Johnson BJ, Cohen J, Welford RW, Pearson AR, Schulten K, Klinman JP, Wilmot CM, J Biol Chem. 2007 Jun 15;282(24):17767-76. Epub 2007 Apr 4. PMID: 17409383

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