Predicted to enable ATPase binding activity. Predicted to be involved in regulation of macroautophagy and vacuolar acidification. Predicted to act upstream of or within toxin transport. Located in synaptic vesicle. Is integral component of synaptic vesicle membrane. Orthologous to human ATP6V0A1 (ATPase H+ transporting V0 subunit a1). [provided by Alliance of Genome Resources, Apr 2022]