aminopeptidase
An enzyme of broad specificity, containing zinc, and catalyzing the hydrolysis of the N-terminal amino acid of a peptide ( i.e., an exopeptidase).
An aminopeptidase of broad specificity, but preferring alanine and discriminating against proline.

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ami·no·pep·ti·dase ə-.mē-nō-'pep-tə-.dās, -.dāz n an enzyme (as one found in the duodenum) that hydrolyzes peptides by acting on the peptide bond next to a terminal amino acid containing a free amino group

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n.
any one of several enzymes in the intestine that cause the breakdown of a peptide, removing an amino acid.

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ami·no·pep·ti·dase (ə-me″no-pepґtĭ-dās) any member of a sub-subclass of enzymes of the hydrolase class that catalyze the hydrolytic cleavage of the N-terminal amino acid or dipeptide from a peptide chain; they are exopeptidases and occur in plasma and many tissues.

Medical dictionary. 2011.

Look at other dictionaries:

  • Aminopeptidase — is a zinc dependent enzyme produced by glands of the small intestine and assists in the enzymatic digestion of proteins therein. Additional digestive enzymes produced by these glands include dipeptidases, maltase, sucrase, lactase, and… …   Wikipedia

  • Aminopeptidase — Aminopeptidasen sind Enzyme aus der Gruppe der Exopeptidasen, d. h. der eiweißspaltenden Enzyme, welche Proteine an endständigen Peptidbindungen aufspalten. Peptidasen zerlegen Proteine durch Hydrolyse der Peptidbindungen. Während Endopeptidasen… …   Deutsch Wikipedia

  • aminopeptidase — aminopeptidazė statusas T sritis chemija apibrėžtis Proteolitinis fermentas, atskeliantis N galines aminorūgštis. atitikmenys: angl. aminopeptidase rus. аминопептидаза …   Chemijos terminų aiškinamasis žodynas

  • aminopeptidase — noun Date: 1935 an enzyme that hydrolyzes peptides by acting on the peptide bond next to a terminal amino acid containing a free amino group …   New Collegiate Dictionary

  • aminopeptidase — Enzymes that remove the N terminal amino acid from a protein or peptide …   Dictionary of molecular biology

  • aminopeptidase — /euh mee noh pep ti days , dayz , am euh noh /, n. Biochem. any of several intestinal hydrolytic enzymes that remove an amino acid from the end of a peptide chain having a free amino group. Cf. carboxypeptidase. [AMINO + PEPTIDASE] * * * …   Universalium

  • aminopeptidase — noun Any of several enzymes that catalyze the hydrolysis of the peptide bond of the terminal amino acid at the amino end of a polypeptide or protein …   Wiktionary

  • Aminopeptidase — A|mi|no|pep|ti|dase [↑ Peptidase (2)]: Proteine vom NH2 Ende her angreifende u. endständige Aminosäuren ablösende Exopeptidasen (Peptid Hydrolasen). – Ggs.: Carboxypeptidase …   Universal-Lexikon

  • aminopeptidase — ami·no·pep·ti·dase …   English syllables

  • aminopeptidase — n. any one of several enzymes in the intestine that cause the breakdown of a peptide, removing an amino acid …   The new mediacal dictionary

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