Taw qhia rau tropomyosin
Tropomyosin yog khi cov protein nrog actin hauv cov myofilaments nyias. Nws muaj lub cev hnyav ntawm 2 × 35kDa thiab ntev ntawm 41nm. Nws muaj ob txoj kab sib txuas polypeptide txuas hauv configuration-helical teeb tsa. Txhua tropomyosin txuas qhov kawg mus rau qhov kawg kom tsim ib txoj kab txuas mus. Cov saw khi rau cov actin filaments thiab nyob hauv qhov zawj ntawm ob chav helix.