title: The use of radioiodinated protein substrates for the assay of trypsin and the hatching enzyme from the amphibian Xenopus laevis.
mesh_terms: D000818:Animals; D002417:Cattle; D006454:Hemoglobins; D006867:Hydrolases / Q000032:analysis*; D007457:Iodine Radioisotopes; D007553:Isotope Labeling / Q000379:methods; D007700:Kinetics; D007814:Larva / Q000201:enzymology; D008666:Metalloendopeptidases; D010179:Pancreas / Q000201:enzymology; D014357:Trypsin / Q000032:analysis*; D014981:Xenopus / Q000378:metabolism*
chemical_list: D006454:Hemoglobins; D007457:Iodine Radioisotopes; D006867:Hydrolases; D014357:Trypsin; D008666:Metalloendopeptidases; C024344:envelysin