Properties
                                                                        
                                                                                                                                                                                                                                                            
                            Unit Definition
                            One unit will liberate one unit of acetylcholinesterase per minute from a membrane-bound crude preparation at pH 7.4 at 30 °C (10 minute incubation).
                         
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                            Form
                            buffered aqueous glycerol solution
                         
                                                            
                            Purity
                            buffered aqueous glycerol solution,  ≥1, 000 units/mg protein (Lowry)
                         
                                                                                                                                                                                                                                                                                                            
                            Applications
                            Phospholipase C,  Phosphatidylinositol-specific from Bacillus cereus has been used:• in the hydrolysis of substrates p-nitrophenylphosphorylcholine (p-NPPC) and p-nitrophenylphosphorylphosphate (p-NPP)•  Lyse immunolabeled HeLa cells