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Contact: Karen Kreeger
karen.kreeger@uphs.upenn.edu
215-349-5658
University of Pennsylvania School of Medicine
Caption: Possible models for the bi-directional movement observed in the dynein-dynactin molecular motor along microtubules. A) Random, diffusive motions; B) Flexible rotation of the dynein ring; and C) Steps dictated by the microtubule lattice.
Credit: Credit: Jennifer L. Ross, PhD, University of Pennsylvania School of Medicine; Nature Cell Biology
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