Immunogen sequence: SDCCLLTFSV DDSQSFQNLS NWKKEFIYYA DVKEPESFPF VILGNKIDIS ERQVSTEEAQ AWCRDNGDYP YFETSAKDAT NVAAAFEEAV RRVLATEDRS DHLIQTDTVN LHRKP. Rab proteins are a family of Ras-like GTPases involved in intracellular compartment protein transport. Dif