3UEM:
reference: Human protein-disulfide isomerase is a redox-regulated chaperone activated by oxidation of domain a'., Wang C, Yu J, Huo L, Wang L, Feng W, Wang CC, J Biol Chem. 2012 Jan 6;287(2):1139-49. Epub 2011 Nov 16. PMID: 22090031

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