Predicted to enable D1 dopamine receptor binding activity. Involved in retrograde transport, endosome to Golgi. Located in cytosol. Part of retromer complex. Human ortholog(s) of this gene implicated in Parkinson's disease and Parkinson's disease 17. Orthologous to human VPS35 (VPS35 retromer complex component). [provided by Alliance of Genome Resources, Apr 2022]