5LVV:
reference: Recognition of a glycosylation substrate by the O-GlcNAc transferase TPR repeats., Rafie K, Raimi O, Ferenbach AT, Borodkin VS, Kapuria V, van Aalten DMF, Open Biol. 2017 Jun;7(6). pii: 170078. doi: 10.1098/rsob.170078. PMID: 28659383

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