Wikipedia
Jararhagin
Jararhagin (, HF2-proteinase, JF1) is an enzyme. This enzyme catalyses the following chemical reaction
Hydrolysis of -His-Leu-, -Ala-Leu-, -Tyr-Leu-and -Phe-Phe- bonds in insulin B chainThis endopeptidase is present in the venom of the jararaca snake ( Bothrops jararaca).