Predicted to enable identical protein binding activity; phosphatidylinositol-4,5-bisphosphate binding activity; and phosphatidylserine binding activity. Involved in synaptic vesicle endocytosis. Located in presynaptic endocytic zone membrane. Orthologous to human FCHO2 (FCH and mu domain containing endocytic adaptor 2). [provided by Alliance of Genome Resources, Apr 2022]