http://en.wikipedia.org/wiki/Dynein
Cytoplasmic dynein has two heavy chains with globular "heads" that "walk" along the microtubule, to which they are bound by the "stalks". Dynactin (not shown) may help attach the light chains to the cargo. Interactions between the "stalks" and the microtubule must repeatedly form and break.
Cytoplasmic dynein has two heavy chains with globular "heads" that "walk" along the microtubule, to which they are bound by the "stalks". Dynactin (not shown) may help attach the light chains to the cargo. Interactions between the "stalks" and the microtubule must repeatedly form and break.
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