4XGU:
reference: TRIP13 is a protein-remodeling AAA+ ATPase that catalyzes MAD2 conformation switching., Ye Q, Rosenberg SC, Moeller A, Speir JA, Su TY, Corbett KD, Elife. 2015 Apr 28;4. doi: 10.7554/eLife.07367. PMID: 25918846

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