title: Inorganic pyrophosphate-phosphohydrolytic activity associated with human placental alkaline orthophosphatase. Nature of the substrate and role of magnesium.
mesh_terms: D000469:Alkaline Phosphatase / Q000378:metabolism*; D001665:Binding Sites; D001667:Binding, Competitive; D011756:Diphosphates; D005260:Female; D006801:Humans; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D008433:Mathematics; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy; D011485:Protein Binding; D012044:Regression Analysis
chemical_list: D011756:Diphosphates; D000469:Alkaline Phosphatase; D008274:Magnesium