proteolysis
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.pro·te·ol·y·sis
noun \ˌprō-tē-ˈä-lə-səs\Definition of PROTEOLYSIS
Origin of PROTEOLYSIS
pro·te·ol·y·sis
noun \ˌprōt-ē-ˈäl-ə-səs\ (Medical Dictionary)Medical Definition of PROTEOLYSIS
proteolysis
noun (Concise Encyclopedia)Process in which a protein is broken down partially, into peptides, or completely, into amino acids, by proteolytic enzymes, present in bacteria and in plants but most abundant in animals. Proteins in food are attacked in the stomach by pepsin and in the small intestine mainly by trypsin and chymotrypsin from the pancreas. Proteolytic enzymes are secreted as zymogens, which are themselves converted by proteolysis to their active forms. Many other zymogens or precursors undergo proteolysis to form active enzymes or proteins (e.g., fibrinogen to fibrin). In cells, proteolytic degradation of old proteins is part of cellular maintenance.
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