coenzyme
(kō-en′zīm″)
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[co- + enzyme]
A diffusible, heat-stable substance of low molecular weight that, when combined with an inactive protein called apoenzyme, forms an active compound or a complete enzyme called a holoenzyme, e.g., adenylic acid, riboflavin, and coenzymes I and II. There's more to see -- the rest of this topic is available only to subscribers.
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