Predicted to enable phosphatidylinositol-3-phosphate binding activity. Predicted to be involved in autophagosome assembly; cellular response to interleukin-4; and positive regulation of macroautophagy. Predicted to be active in autophagosome. Orthologous to human RUFY4 (RUN and FYVE domain containing 4). [provided by Alliance of Genome Resources, Apr 2022]