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adenosine diphosphate |
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adenosine diphosphate: see adenine adenine (ăd`ənĭn, –nīn, –nēn), organic base of the purine family. ..... Click the link for more information. ; adenosine triphosphate adenosine triphosphate (ATP) (ədĕn`əsēn trī'fŏs`fāt) ..... Click the link for more information. . adenosine diphosphate [ə¦den·ə‚sēn ‚dī′fäs·fāt] (biochemistry) C10H15N5O10P2A coenzyme composed of adenosine and two molecules of phosphoric acid that is important in intermediate cellular metabolism. Abbreviated ADP. Adenosine diphosphate (ADP) A coenzyme and an important intermediate in cellular metabolism as the partially dephosphorylated form of adenosine triphosphate. The compound is 5′-adenylic acid with an additional phosphate group attached through a pyrophosphate bond. ADP is produced from adenosine triphosphate and reconverted to this compound in coupled reactions concerned with the energy metabolism of living systems. ADP is also produced from 5′-adenylic acid by the transfer of a phosphate group from adenosine triphosphate in a reaction that is catalyzed by an enzyme, myokinase. See Metabolism How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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