GO terms:
Biological Process:
endosome organization [GO:0007032],
protein localization [GO:0008104],
positive regulation of GTPase activity [GO:0043547],
Molecular Function:
GTPase activator activity [GO:0005096],
protein binding [GO:0005515],
Rab guanyl-nucleotide exchange factor activity [GO:0017112],
Rab GTPase binding [GO:0017137],
identical protein binding [GO:0042802],
Cellular Component:
cytoplasm [GO:0005737],
cytoplasmic vesicle [GO:0031410],
cytosol [GO:0005829],