Pepsin A

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Definition

noun

The predominant digestive enzyme of gastric juice, derived from pepsinogen A.


Supplement

Pepsin A is alkali labile, with low specificity, cleaving proteins to smaller chains of polypeptides at peptide bonds, especially near phenylalanyl and leucyl residues. Other forms of pepsin are pepsin B and pepsin C.


Synonym(s):

  • EC 3.4.23.1 (formerly EC 3.4.4.1)

Compare:

See also: