Tropomyosin
Tropomyosin together with troponin, regulate the binding of myosin to actin. Tropomyosin is a dimeric coiled-coil protein forming continuous polymers along the myosin-binding groove of actin. Varoius tropomyosin isoforms help to confer structure and function to actins in the cytoskeleton and in striated muscle function.
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