3SUA:
reference: A Dual Binding Mode for RhoGTPases in Plexin Signalling., Bell CH, Aricescu AR, Jones EY, Siebold C, PLoS Biol. 2011 Aug;9(8):e1001134. Epub 2011 Aug 30. PMID: 21912513

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