5U4V:
reference: p190RhoGAP proteins contain pseudoGTPase domains., Stiegler AL, Boggon TJ, Nat Commun. 2017 Sep 11;8(1):506. doi: 10.1038/s41467-017-00483-x. PMID: 28894085

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