Immunogen sequence: VLPVHSNGSP EPGQPVQNAI SDDDFLEKNI PPEAEELSFE VSYSEMVTEA LKRNKLKKSE IKKEDYVLTK FNVQKTRFGL Highest antigen sequence identity to the following orthologs: Mouse - 70%, Rat - 75%. GTPase activator for the Rho-type GTPases by converting them