3ZJ0:
reference: Structure of a bacterial putative acetyltransferase defines the fold of the human O-GlcNAcase C-terminal domain., Rao FV, Schuttelkopf AW, Dorfmueller HC, Ferenbach AT, Navratilova I, van Aalten DM, Open Biol. 2013 Oct 2;3(10):130021. PMID: 24088714

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