this enzyme is specific as it has little or no activity on the monoester phosphates of ptdins ( 4 ) p , ptdins ( 4,5 ) p2 , or inositol 1,3-bisphosphate and is tentatively designated phosphatidylinositol 3-phosphatase ( ptdins 3-phosphatase ) .
C0071655
phosphates
C0031621
ptdins