5DJS:
reference: Evidence for a functional O-GlcNAc system in the thermophilic bacterium Thermobaculum terrenum., Ostrowski A, Gundogdu M, Ferenbach AT, Lebedev AA, van Aalten DM, J Biol Chem. 2015 Oct 21. pii: jbc.M115.689596. PMID: 26491011

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