title: On the mechanism of the pepsin-catalyzed exchange of carboxylic acids with water-18O.
mesh_terms: D000143:Acids; D002384:Catalysis; D055598:Chemical Phenomena; D002621:Chemistry; D002918:Chymotrypsin; D003903:Deuterium; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D010103:Oxygen Isotopes; D010434:Pepsin A / Q000378:metabolism*; D010649:Phenylalanine; D014867:Water
chemical_list: D000143:Acids; D010103:Oxygen Isotopes; D014867:Water; D010649:Phenylalanine; D003903:Deuterium; D002918:Chymotrypsin; D010434:Pepsin A