Rab effector involved in exocytosis. May act as scaffold protein. Plays a role in dendrite formation by melanocytes .
Subcellular locations: Cell membrane, Synapse, Presynaptic cell membrane
Widely expressed . Expressed in melanocytes . In fetal tissues, predominantly expressed in the brain . In the retina, expressed in the outer plexiform layer (at protein level) . In the cerebellum, expressed in Purkinje cells (at protein level) . In the pancreas, expressed in Langerhans islets (at protein level) .