5A01:
reference: Dual functionality of O-GlcNAc transferase is required for Drosophila development., Mariappa D, Zheng X, Schimpl M, Raimi O, Ferenbach AT, Muller HA, van Aalten DM, Open Biol. 2015 Dec;5(12):150234. doi: 10.1098/rsob.150234. PMID: 26674417

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