Predicted to enable clathrin binding activity and phospholipid binding activity. Predicted to be involved in endocytosis. Located in early phagosome; phagocytic cup; and pseudopodium. Expressed in anterior gonad arm; coelomocyte; head; intestine; and vulva. Is an ortholog of human EPN1 (epsin 1); EPN2 (epsin 2); and EPN3 (epsin 3).