Tropomodulin and Leiomodin Differentially Nucleate Tropomyosin Assembly on Actin Filaments
Tropomyosins play a central role in the regulation of the actin cytoskeleton by assembling along filaments into rope-like, head-to-tail polymers ("clusters") along filaments that regulate the binding and activity of numerous actin-binding proteins. Importantly, in cells, tropomyosins do not decorate actin filaments uniformly; some filaments are devoid of tropomyosins, whereas others recruit…
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