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dynein |
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dynein [dī′nēยทən] (cell and molecular biology) A large enzyme complex that hydrolyzes adenosine triphosphate to provide energy to power retrograde [from (+) to (-)] transport along microtubules. 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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Intact, the cilia looked abnormally dense and lacked structures called dynein arms that normally allow the cilia to move. Electron microscopy in combination with improved biochemical techniques were used to demonstrate the localization of ATPase activity in dynein arms. This section provides reviews about three superfamilies of motor proteins: kinesin and dynein, used in microtubule motility, and myosin, used in action microfilament motility. |
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