lysophospholipase activity 2-lysophosphatidylcholine acylhydrolase activity Catalysis of the reaction: 2-lysophosphatidylcholine + H2O = glycerophosphocholine + a carboxylate. EC:3.1.1.5 GO:0004622 GO:0045126 MetaCyc:LYSOPHOSPHOLIPASE-RXN RHEA:15180 lecithinase B activity lecitholipase activity lysolecithinase activity lysophopholipase L2 lysophosphatidase activity lysophosphatidylcholine hydrolase activity lysophospholipase A1 molecular_function phosphatidase B phospholipase B activity