phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity
phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity
1-phosphatidyl-1D-myo-inositol-3,4-bisphosphate 4-phosphohydrolase activity
1-phosphatidyl-1d-myo-inositol-3,4-bisphosphate 4-phosphohydrolase activity