coenzyme

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co·en·zyme

 (kō-ĕn′zīm′)
n.
An organic substance that reversibly combines with a specific protein, the apoenzyme, and with a substrate to form an active enzyme system.

co′en·zy·mat′ic (-zə-măt′ĭk) adj.
co·en′zy·mat′i·cal·ly adv.

coenzyme

(kəʊˈɛnzaɪm)
n
(Biochemistry) biochem a nonprotein organic molecule that forms a complex with certain enzymes and is essential for their activity. See also apoenzyme

co•en•zyme

(koʊˈɛn zaɪm)

n.
a molecule that provides the transfer site for biochemical reactions catalyzed by an enzyme.
[1905–10; < German Ko-enzym; see co-, enzyme]
co•en`zy•mat′ic (-zaɪˈmæt ɪk, -zɪ-) adj.
co•en`zy•mat′i•cal•ly, adv.

coenzyme

A nonprotein compound that activates an enzyme to speed up a biochemical reaction.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.coenzyme - a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
molecule - (physics and chemistry) the simplest structural unit of an element or compound
cocarboxylase, thiamine pyrophosphate - a coenzyme important in respiration in the Krebs cycle
coenzyme A - a coenzyme present in all living cells; essential to metabolism of carbohydrates and fats and some amino acids
NAD, nicotinamide adenine dinucleotide - a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; serves as a reductant in various metabolic processes
NADP, nicotinamide adenine dinucleotide phosphate - a coenzyme similar to NAD and present in most living cells but serves as a reductant in different metabolic processes
triphosphopyridine nucleotide - a coenzyme of several enzymes
coenzyme Q, ubiquinone - any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration
Translations
coenzyme

co·en·zyme

n. coenzima, sustancia que activa la acción de una enzima.

coenzyme

n coenzima m&f; — Q coenzima Q; [Note: the RAE lists coenzima as feminine, but as with enzima, masculine usage is common, particularly in Spain.]
References in periodicals archive ?
Herein, PQQ nutritional status and lysine metabolism are described, prompted by a report that PQQ functions as a vitamin-like enzymatic cofactor important in lysine metabolism (Nature 422 [2003] 832).
Metabolic correction provides a biochemical description of the utilization of nutrients as enzymatic cofactors, precursor molecules, regulator molecules, and metabolites for preventive and therapeutic action against disease (11).
Despite its universal importance in DNA synthesis, different organisms have evolved diverse enzymatic cofactors to catalyze this reaction.