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pubmed:abstractText |
Tropomyosin is an important actin filament-stabilizing protein that controls the access of other essential proteins to filaments, including myosin motors, Arp2/3 complex, formin, and cofilin. It is therefore critical to establish mechanisms for regulating the actin filament binding of tropomyosin. We examined how the actin filament crosslinking protein fimbrin Fim1p and tropomyosin Cdc8p affect each other's ability to bind filaments, localize to particular cellular structures, and regulate filament severing by cofilin Adf1p in fission yeast Schizosaccharomyces pombe.
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