Predicted to enable phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity. Predicted to be involved in dephosphorylation and phosphatidylinositol-3-phosphate biosynthetic process. Predicted to be located in nuclear membrane; nucleoplasm; and postsynaptic density. Predicted to be active in cytoplasm. Orthologous to human INPP4A (inositol polyphosphate-4-phosphatase type I A). [provided by Alliance of Genome Resources, Apr 2022]