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Department of Cellular and Molecular Pharmacology, University of California, San Francisco, USA.
Dynein is a large cytoskeletal motor protein that belongs to the AAA+ (ATPases associated with diverse cellular activities) superfamily. While dynein has had a rich history of cellular research, its molecular mechanism of motility remains poorly understood. Here we describe recent X-ray crystallographic studies that reveal the architecture of dynein's catalytic ring, mechanical linker element, and microtubule binding domain. This structural information has given rise to new hypotheses on how the dynein motor domain might change its conformation in order to produce motility along microtubules. This article is part of a Special Issue entitled: AAA ATPases: structure and function.
Copyright © 2011 Elsevier B.V. All rights reserved.
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