All of the following are trypsin inhibitors, except:: (A) Alpha - 1 antitrypsin, (B) Alpha - 1 - antiproteinase, (C) Enterokinase, (D) Egg - white
Answer is C. Enterokinase is a glycoprotein enzyme that activates trypsin and is present in the brush border of intestine. Ref: Biochemistry By Mary K. Campbell, Shawn O. Farrell, 7th Edition, Page 176; Harper's Textbook of Biochemistry, 27th Edition, Page 597