ID 3.1.1.52 DE phosphatidylinositol deacylase. AN Phosphatidylinositol phospholipase A2. CA a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + H2O = a 1-acyl- CA sn-glycero-3-phospho-(1D-myo-inositol) + a fatty acid + H(+). //