title: Niemann Pick disease: presence of the magnesium-dependent sphingomyelinase in brain of the infantile form of the disease.
mesh_terms: D001921:Brain / Q000201:enzymology*; D004789:Enzyme Activation; D006801:Humans; D007223:Infant; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D009542:Niemann-Pick Diseases / Q000201:enzymology*; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism*; D013108:Sphingomyelin Phosphodiesterase / Q000378:metabolism*
chemical_list: D010727:Phosphoric Diester Hydrolases; D013108:Sphingomyelin Phosphodiesterase; D008274:Magnesium