Immunogen sequence: IGIENIQEVQ EKRESPPAGQ KTPDSGHVSQ EPKSENSSTQ SSPEMPTTKN RAETAAQRAE ALKDFSRSSS SASSFASVVE ETEGVDGEDT GLESVSSSGT P Highest antigen sequence identity to the following orthologs: Mouse - 92%, Rat - 91%. Rap1GAP specifically stimulates GTP