phospholipase activity phospholipase A2 activity GO:0004623 molecular_function lecithinase A activity phosphatidolipase activity cytosolic phospholipase A2 activity phosphatidylcholine 2-acylhydrolase activity secreted phospholipase A2 activity phospholipase A EC:3.1.1.4 RHEA:15804 Catalysis of the reaction: phosphatidylcholine + H2O = 1-acylglycerophosphocholine + a carboxylate. MetaCyc:PHOSPHOLIPASE-A2-RXN phosphatidase activity carboxylic ester hydrolase activity