5GMY:
reference: Tethering an N-Glycosylation Sequon-Containing Peptide Creates a Catalytically Competent Oligosaccharyltransferase Complex., Matsumoto S, Taguchi Y, Shimada A, Igura M, Kohda D, Biochemistry. 2017 Jan 31;56(4):602-611. doi: 10.1021/acs.biochem.6b01089. Epub, 2017 Jan 17. PMID: 27997792

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