Immunogen sequence: MASSEVARHL LFQSHMATKT TCMSSQGSDD EQIKRENIRS LTMSGHVG Highest antigen sequence identity to the following orthologs: Mouse - 31%, Rat - 31%. RAPGEF6 is a guanine nucleotide exchange factor (GEF) for Rap1A, Rap2A and M-Ras GTPases. RAPGE