Predicted to enable ATP binding activity. Involved in synaptic vesicle clustering. Located in glutamatergic synapse; postsynaptic density; and synaptic vesicle membrane. Is expressed in several structures, including brain; genitourinary system; gut; respiratory system; and skeletal muscle. Used to study autism spectrum disorder. Orthologous to human SYN3 (synapsin III). [provided by Alliance of Genome Resources, Apr 2022]