4MIT:
reference: Entamoeba histolytica RacC Selectively Engages p21-Activated Kinase Effectors., Bosch DE, Siderovski DP, Biochemistry. 2015 Jan 20;54(2):404-12. doi: 10.1021/bi501226f. Epub 2015 Jan 2. PMID: 25529118

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