6D4G:
reference: The N-Terminal GTPase Domain of p190RhoGAP Proteins Is a PseudoGTPase., Stiegler AL, Boggon TJ, Structure. 2018 Aug 16. pii: S0969-2126(18)30261-2. doi:, 10.1016/j.str.2018.07.015. PMID: 30174148

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