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dynein

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
dynein /dy·ne·in/ (di´nēn) an ATP-splitting enzyme essential to the motility of cilia and flagella because of its interactions with microtubules.
dy·nein (dnn, -n-n)
n.
An ATPase associated with motile structures, especially the microtubules.

dynein
a protein from the microtubules of cilia and flagella which functions as an ATP-splitting enzyme and is essential to the motility of cilia and flagella.


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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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