3WZT:
reference: Structural insight into substrate recognition by the endoplasmic reticulum folding-sensor enzyme: crystal structure of third thioredoxin-like domain of UDP-glucose:glycoprotein glucosyltransferase., Zhu T, Satoh T, Kato K, Sci Rep. 2014 Dec 4;4:7322. doi: 10.1038/srep07322. PMID: 25471383

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