2J62:
reference: GlcNAcstatin: a picomolar, selective O-GlcNAcase inhibitor that modulates intracellular O-glcNAcylation levels., Dorfmueller HC, Borodkin VS, Schimpl M, Shepherd SM, Shpiro NA, van Aalten DM, J Am Chem Soc. 2006 Dec 27;128(51):16484-5. PMID: 17177381

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