Article
A metal switch for controlling the activity of molecular motor proteins.
Nature structural & molecular biology - 25 Dec 2011
Cochran Jared C, Zhao Yu Cheng, Wilcox Dean E, Kull F Jon
Abstract excerpt
Kinesins are molecular motors that require a divalent metal ion (for example, Mg(2+)) to convert the energy of ATP hydrolysis into directed force production along microtubules. Here we present the crystal structure of a recombinant kinesin motor domain bound to Mn(2+) and ADP and report on a serine-to-cysteine substitution in the switch 1 motif of kinesin that allows its ATP hydrolysis activity to be controlled...
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