Aminopeptidase

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feminine noun (biochemistry / medicine)

Definition

An enzyme of the exopeptidase class that catalyzes the specific hydrolysis of peptide bonds at the free N-terminal end of a polypeptide chain, successively releasing terminal amino acids. This biocatalyst plays an essential structural role in the final phases of protein digestion within the intestinal mucosa, as well as in intracellular protein degradation and recycling processes.

Bilingual Equivalents

  • Aminopeptidase
  • N-terminal peptidase

Grammatical & Source Details

Inflection Type Feminine noun, regular singular and plural case variations common in macromolecular and enzyme nomenclature.
Formation Scientific compound formed from the functional prefix 'amino-' and the noun 'peptidase', modeled after international vocabulary.
Spelling / Pronunciation [a.mi.no.pep.ti.ˈda.zə]
Source International Enzyme Classification and Nomenclature Guidelines

Contextual Usage Examples

RO: Această aminopeptidază intestinală descompune oligopeptidele în aminoacizi liberi ce pot fi absorbiți de organism.

EN: This intestinal aminopeptidase breaks down oligopeptides into free amino acids that can be absorbed by the body.

RO: Cercetătorii au demonstrat că activitatea acestei aminopeptidaze este dependentă de prezența ionilor de zinc în centrul activ.

EN: Researchers demonstrated that the activity of this aminopeptidase is dependent on the presence of zinc ions in the active center.

RO: Măsurarea nivelului de aminopeptidază serică poate oferi indicii structurale valoroase despre anumite afecțiuni hepatobiliare.

EN: Measuring the serum aminopeptidase level can provide valuable structural clues regarding certain hepatobiliary disorders.

Idioms & Phrases

Aminopeptidază leucinică / Leucine aminopeptidase

RO: Tip specific de metaloenzimă utilizată clinic ca marker biochimic pentru evaluarea bolilor de ficat și căi biliare.

EN: A specific type of metalloenzyme clinically used as a biochemical marker to evaluate liver and biliary tract diseases.

Activitate de aminopeptidază / Aminopeptidase activity

RO: Rata de hidroliză a substraturilor peptidice determinată analitic în laboratoarele de biochimie medicală.

EN: The rate of peptide substrate hydrolysis analytically determined within medical biochemistry laboratories.

Inhibitor de aminopeptidază / Aminopeptidase inhibitor

RO: Substanță chimică sau compus organic utilizat pentru a bloca funcția enzimei în studiul metabolismului celular.

EN: A chemical substance or organic compound used to block the enzyme's function in the study of cellular metabolism.

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