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A: The enzymes that break down protein include trypsin, chymotrypsin, pepsin, thermolysin, glutamyl endopeptidase, elastase, bromelain and papain. Trypsin, pepsin, elastase, thermolysin, glutamyl, endopeptidase and chymotrypsin are made in the human body. Bromelain comes from pineapples and papain comes from papayas.
Enzymes consist of long strings of amino acids. Like all other proteins, enzymes are made of amino acids. Each enzyme is made of between a hundred and upwards of a million amino acids placed like pearls on a string.Each amino acid is bonded to the next by chemical bonds. The vast majority of enzymes are made of only 20 different kinds of amino acid.nzymes consist of long strings of amino acids. Like all other proteins, enzymes are made of amino acids. Each enzyme is made of between a hundred and upwards of a million amino acids placed like pearls on a string.