phosphatidylinositol-4-phosphate phosphatase activity
phosphatidylinositol-4-phosphate phosphatase activity
Catalysis of the reaction: a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate) + H2O = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + phosphate.