Acts upstream of or within G protein-coupled receptor catabolic process; autophagy; and endosome to lysosome transport. Predicted to be part of phosphatidylinositol 3-kinase complex, class III, type I and phosphatidylinositol 3-kinase complex, class III, type II. Predicted to be active in phagophore assembly site. [provided by Alliance of Genome Resources, Apr 2022]