Immunogen sequence: FATSQNNRGE HLVDGKSPRL CRKFSSPPPL AVSRTSSPVR ARKLSLTSPL NSKIGALDLT TSSSPTTTTQ SPAASPPPHT GQIPLDLSRG LSSPEQSPGT VEENVD Highest antigen sequence identity to the following orthologs: Mouse - 72%, Rat - 71%. RAS (MIM 190020) GTPases cycle