Interfacial hydrolysis of phosphatidylinositol 4-phosphate and phosphatidylinositol 4,5-bisphosphate by turkey erythrocyte phospholipase C.


The activity of a beta-isoform of phospholipase C (PLC) partially purified from turkey erythrocyte cytosol was assayed using phospholipid monolayers formed at an air-water interface. PLC was rapidly purified at least 8000-fold by a sequence of ion-exchange, hydrophobic and heparin chromatographies. 33P-labelled substrates were prepared using partially… (More)


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