Golgi apparatus membrane ; Lipid-anchor . Cytoplasmic vesicle membrane ; Lipid-anchor . Cytoplasm . Cell projection, axon . Delivered to axons with Golgi-derived cytoplasmic vesicles. .
Highly expressed in brain, in particular in cerebrum, cerebellum, occipital lobe, frontal lobe, temporal lobe and putamen. Also found in the heart, skeletal muscle, pancreas and islets of Langerhans.