title: Pyridyl esters of peptides as synthetic substrates of pepsin.
mesh_terms: D001665:Binding Sites; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D004952:Esters; D007700:Kinetics; D008722:Methods; D010434:Pepsin A; D010455:Peptides / Q000138:chemical synthesis; D011725:Pyridines
chemical_list: D004952:Esters; D010455:Peptides; D011725:Pyridines; D010434:Pepsin A