Bothrops neuwiedi, known as jararaca pintada, a venomous pit viper found in South America
This endopeptidase is present in the venom of the jararaca snake (Bothrops jararaca).
Like other ACE inhibitors, it is a synthetic functional and structural analog of a peptide derived from the venom of the jararaca, a Brazilian pit viper (Bothrops jararaca).