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Coenzyme - Dictionary Definition and Overview |
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Coenzyme : (noun)
1: a small molecule (not a protein but sometimes a vitamin)
essential for the activity of some enzymes
Based on WordNet 2.0
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Coenzyme : Coenzyme: A substance that enhances the action of an enzyme. (An enzyme is a protein that functions as a catalyst to mediate and speed a chemical reaction).
Coenzymes are small molecules. They cannot by themselves catalyze a reaction but they can help enzymes to do so. In technical terms, coenzymes are organic nonprotein molecules that bind with the
protein molecule (apoenzyme) to form the active enzyme (holoenzyme).
A number of the water-soluble vitamins such as vitamins B1, B2 and B6 serve as coenzymes.
Based on WordNet (r) 2.0 (August 2003)
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