2RQW:
reference: Solution structure of a novel Cdc42-binding module of Bem1 and its interaction with Ste20 and Cdc42., Takaku T, Ogura K, Kumeta H, Yoshida N, Inagaki F, J Biol Chem. 2010 Apr 21. PMID: 20410294

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