Chymotrypsin [Chemical/Ingredient] D002918 M0004462 2530 A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. C0008742 CHYMOTRYPSIN Chymotrypsin N0000006979 Chymotrypsin Serine Endopeptidases [Chemical/Ingredient]