Trypsin

**Definition:** A serine endopeptidase that is formed from TRYPSINOGEN in the pancreas. It is converted into its active form by ENTEROPEPTIDASE in the small intestine. It catalyzes hydrolysis of the carboxyl group of either arginine or lysine. EC 3.4.21.4.

**Tree numbers:** - D08.811.277.656.300.760.895 - D08.811.277.656.959.350.895

**Synonyms:** - Tripcellim