Pepsin A

**Definition:** Formed from pig pepsinogen by cleavage of one peptide bond. The enzyme is a single polypeptide chain and is inhibited by methyl 2-diaazoacetamidohexanoate. It cleaves peptides preferentially at the carbonyl linkages of phenylalanine or leucine and acts as the principal digestive enzyme of gastric juice.

**Tree numbers:** - D08.811.277.656.074.500.700 - D08.811.277.656.300.048.700

**Synonyms:** - Pepsin