Immunogen sequence: RKLSLNIPII TGGKALDLAA LSCNSNGYTS MYSAMSPFSK ATLDTSKLYV SSSFTNKIPD EGDTTPEKPE DPSALSKQSS EVSMREESDI DQNQSDDGDT E Highest antigen sequence identity to the following orthologs: Mouse - 58%, Rat - 55%. RASGRF1 is a guanine nucleotide exch