function:GTP-binding protein that functions as an allosteric activator of the cholera toxin catalytic subunit, an ADP-ribosyltransferase. Involved in protein trafficking; may modulate vesicle budding and uncoating within the Golgi apparatus.,similarity:Belongs to the small GTPase superfamily.,similarity:Belongs to the small GTPase superfamily. Arf family.,subunit:Binds ASAP2.,
Golgi apparatus . Cytoplasm, perinuclear region . Membrane ; Lipid-anchor . Golgi apparatus, trans-Golgi network membrane ; Lipid-anchor .
Brain,Lung,Skin,Tongue,
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