Predicted to be involved in anterograde synaptic vesicle transport and endocytosis. Predicted to be located in several cellular components, including Golgi apparatus; axon cytoplasm; and cytoplasmic vesicle membrane. Predicted to be part of clathrin adaptor complex. Predicted to be active in cytoplasmic vesicle. Orthologous to human AP3M2 (adaptor related protein complex 3 subunit mu 2). [provided by Alliance of Genome Resources, Apr 2022]