A large family of MONOMERIC GTP-BINDING PROTEINS that play a key role in cellular secretory and endocytic pathways.

Synonyms: Rab GTPase, EC 3.6.5.2, Protein, rab GTP-Binding, rab G-Proteins, rab GTP-Binding Protein, GTP-Binding Proteins, rab, GTP-Binding Protein, rab, rab GTP Binding Proteins, GTPase, Rab, rab GTP Binding Protein, rab GTP-Binding Proteins, rab G Proteins, GTPases, rab, rab GTPases, G-Proteins, rab