Immunogen sequence: AGKWKAAETR LFGVPLDSLL EADHKVLPST QVPLVLQALL SCLEKRGLDM EGILRVPGSQ ARVKGLEQKL ERDFYAGLFS WDEVHHNDAS DLLKRFIR Highest antigen sequence identity to the following orthologs: Mouse - 85%, Rat - 85%. GTPase activator for the Rho-type GTPase