Description:
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The dynein motor protein must be part of a three-way complex to be fully active.
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[Also see Report by
<jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6194" page="337" related-article-type="in-this-issue" vol="345" xlink:href="10.1126/science.1254198">
McKenney
<jats:italic>et al.</jats:italic>
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]
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