we have examined the hydrolysis of the synthetic phosphodiesters , bis ( 4-methylumbelliferyl ) phosphate and hexadecanoyl ( nitrophenyl ) phosphorylcholine , by purified placental sphingomyelinase ( sphingomyelin cholinephosphohydrolase , ec 3.1.4.12 ) in the presence of triton x-100 .
C0020291
hydrolysis
C0037903
sphingomyelin cholinephosphohydrolase