Immunogen sequence: RAHTSIPLLG YQVTVGPQGD PRVFQLQQSG QLYTFKAETE ELKGRWVKAM ERAASGWSPS WPNDGDLS Highest antigen sequence identity to the following orthologs: Mouse - 74%, Rat - 76%. Activates CDC42, a member of the Ras-like family of Rho- and Rac proteins