proteolysis

proteolysis
The decomposition of protein; primarily via the hydrolysis of peptide bonds, both enzymatically and nonenzymatically. [proteo- + G. lysis, dissolution]

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pro·te·ol·y·sis .prōt-ē-'äl-ə-səs n, pl -y·ses -.sēz the hydrolysis of proteins or peptides with formation of simpler and soluble products (as in digestion)

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n.
the process whereby complex protein molecules, obtained from the diet, are broken down by digestive enzymes in the stomach and small intestine into their constituent amino acids, which are then absorbed into the bloodstream. See endopeptidase, exopeptidase.
proteolytic adj.

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pro·te·ol·y·sis (pro″te-olґĭ-sis) [protein + -lysis] the splitting of proteins by hydrolysis of the peptide bonds with formation of smaller polypeptides; the process may be catalyzed by proteolytic enzymes, by acids, or by bases.

Medical dictionary. 2011.

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  • Proteolysis — Pro te*ol y*sis, n. [NL. See {Proteolytic}.] (Physiol. Chem.) The digestion or dissolving of proteid matter by proteolytic ferments. [1913 Webster] …   The Collaborative International Dictionary of English

  • proteolysis — [prōt΄ē äl′ə sis] n. [ModL: see PROTEIN & LYSIS] Biochem. the breaking down of proteins, as by gastric juices, to form simpler substances proteolytic [prōt΄ēō lit′ik] adj …   English World dictionary

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  • proteolysis — Cleavage of proteins by proteases. Limited proteolysis occurs where proteins are functionally modified (activated in the case of zymogens) by highly specific proteases …   Dictionary of molecular biology

  • proteolysis — proteolizė statusas T sritis chemija apibrėžtis Hidrolizinis baltymų skaidymas iki aminorūgščių. atitikmenys: angl. proteolysis rus. протеолиз …   Chemijos terminų aiškinamasis žodynas

  • proteolysis — noun Etymology: New Latin Date: 1880 the hydrolysis of proteins or peptides with formation of simpler and soluble products …   New Collegiate Dictionary

  • proteolysis — noun The hydrolysis of proteins into peptides and amino acids; especially as part of the digestion of food …   Wiktionary

  • proteolysis — prəʊtɪ É‘lÉ™sɪs / É’l n. dissolution of proteins, breaking down of proteins …   English contemporary dictionary

  • proteolysis — [ˌprəʊtɪ ɒlɪsɪs] noun Biochemistry the breakdown of proteins or peptides into amino acids by the action of enzymes. Derivatives proteolytic adjective proteolytically adverb …   English new terms dictionary

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