5HGV:
reference: How the glycosyltransferase OGT catalyzes amide bond cleavage., Janetzko J, Trauger SA, Lazarus MB, Walker S, Nat Chem Biol. 2016 Sep 12. doi: 10.1038/nchembio.2173. PMID: 27618188

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