coenzyme


coenzyme
coenzyme co*en"zyme (k[-o]*[e^]n"z[imac]m), (Biochem.) a molecule that is essential for the activity of some enzymes; it may exist free in solution within a living organism, but functions by binding to an enzyme to assist in catalyzing a reaction. The molecule itself may be temporarily changed during the reaction, but is ultimately restored to its original form. Many vitamins function as coenzymes. [PJC]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Coenzyme A — Identifiers CAS number …   Wikipedia

  • Coenzyme M — is a coenzyme required for methyl transfer reactions in the metabolism of methanogens.[1][2] The coenzyme is an anion with the formula …   Wikipedia

  • coenzyme — [ koɑ̃zim ] n. m. ou f. • co enzyme 1909; de co et enzyme ♦ Biochim. Substance organique non protéique, qui peut s unir à un apoenzyme pour donner un enzyme actif. Coenzyme A : dérivé de l acide pantothénique jouant un rôle essentiel dans les… …   Encyclopédie Universelle

  • Coenzyme B — IUPAC name 2 [(7 mercapto 1 oxoheptyl)amino] 3 phosphonooxybutanoic acid …   Wikipedia

  • Coenzyme Q-10 — Coenzyme Q10 Coenzyme Q10 Général Nom IUPAC 2,3 diméthoxy 5 méthyl 6 decaprénylbenzoquinone Synonymes …   Wikipédia en Français

  • Coenzyme B — Structure de la coenzyme B Général Nom IUPAC acide 2 [(7 mercapto 1 oxoheptyl)amino] 3 phosphonooxybutanoïque …   Wikipédia en Français

  • coenzyme A — co*en zyme A (k[ o]*[e^]n z[imac]m [=a] ), (Biochem.) a coenzyme ({C21H36N7O16P3S}) that participates in the transfer of acetyl groups in biochemical reactions; abbreviated {CoA}. It contains adenosine, phosphate, pantothenic acid and cysteamine… …   The Collaborative International Dictionary of English

  • Coenzyme Q ou Co Q — ● Coenzyme Q ou Co Q coenzyme intervenant dans la chaîne des transferts d électrons intracellulaires chaîne respiratoire …   Encyclopédie Universelle

  • coenzyme A — coenzyme A. См. кофермент А. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • coenzyme Q — coenzyme Q. См. убихинон. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.


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