5ULS:
reference: Structural and Functional Analysis of GRP94 in the Closed State Reveals an Essential Role for the Pre-N Domain and a Potential Client-Binding Site., Huck JD, Que NL, Hong F, Li Z, Gewirth DT, Cell Rep. 2017 Sep 19;20(12):2800-2809. doi: 10.1016/j.celrep.2017.08.079. PMID: 28930677

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