Acts upstream of or within several processes, including Golgi to plasma membrane protein transport; cellular response to interferon-gamma; and toxin transport. Located in phagocytic vesicle and trans-Golgi network. Is integral component of presynaptic endosome membrane. Part of SNARE complex. Is expressed in cerebellum layer; gonad; and ventral tegmental area. Orthologous to human VAMP4 (vesicle associated membrane protein 4). [provided by Alliance of Genome Resources, Apr 2022]