Predicted to enable SNAP receptor activity and syntaxin binding activity. Predicted to be involved in SNARE complex assembly. Located in terminal bouton. Is active in presynapse. Is integral component of synaptic vesicle membrane. Human ortholog(s) of this gene implicated in congenital myasthenic syndrome and spastic ataxia 1. Orthologous to human VAMP1 (vesicle associated membrane protein 1). [provided by Alliance of Genome Resources, Apr 2022]