| Cellular localization: |
Cytoplasm, cytosol . Lysosome . Cytoplasmic vesicle, secretory vesicle . Cell projection, axon . Cell membrane ; Lipid-anchor ; Cytoplasmic side . Cell junction, synapse, presynapse . Cell junction, synapse, postsynapse . Cycles between a vesicle-associated GTP-bound form and a cytosolic GDP-bound form. . |