Immunogen sequence: IQASPRDPEN FPFVVLGNKI DLENRQVATK RAQAWCYSKN NIPYFETSAK EAINVEQAFQ TIARNALKQE TEVELYNEFP EPIKLDKNDR AKASAESCSC. RAB family members are small, RAS-related GTP-binding proteins that are important regulators of vesicular transport. Each R