5OXD:
reference: O-GlcNAcase Fragment Discovery with Fluorescence Polarimetry., Borodkin VS, Rafie K, Selvan N, Aristotelous T, Navratilova I, Ferenbach AT, van Aalten DMF, ACS Chem Biol. 2018 May 2. doi: 10.1021/acschembio.8b00183. PMID: 29641181

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