
Making a molecular motor fit for purpose Dynactin is an essential cofactor of the microtubule motor, cytoplasmic dynein. Dynactin contains 23 subunits built around a short filament of an actin-related protein (Arp1). How dynactin is assembled, how it functions with dynein, and why it is built around an actin-like filament is unclear. Urnavicius et al. combined cryo–electron microscopy structural studies and a crystal structure to determine the three-dimensional architecture of dynactin and how it interacts with dynein. Science , this issue p. 1441
Swine, Cryoelectron Microscopy, Dyneins, Dynactin Complex, Actins, Protein Structure, Secondary, Protein Structure, Tertiary, Mice, Protein Subunits, Multiprotein Complexes, Protein Interaction Mapping, Animals, Humans, Microtubule-Associated Proteins
Swine, Cryoelectron Microscopy, Dyneins, Dynactin Complex, Actins, Protein Structure, Secondary, Protein Structure, Tertiary, Mice, Protein Subunits, Multiprotein Complexes, Protein Interaction Mapping, Animals, Humans, Microtubule-Associated Proteins
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