Predicted to enable phosphatidylinositol-3-phosphate binding activity. Involved in cellular response to interleukin-4. Predicted to be located in cytoplasmic vesicle. Predicted to be active in autophagosome. Is expressed in heart. Orthologous to human RUFY4 (RUN and FYVE domain containing 4). [provided by Alliance of Genome Resources, Apr 2022]