Keywords
actin,tropomyosin,thin filament,microfilament,actin-tropomyosin complex,sliding filament,sarcomere,myosin binding site,myosin crossbridge,muscle,muscle contraction,skeletal muscle,cardiac muscle,contraction,relaxation,contracted,contract,relaxed,troponin,monomer,filament,dimer,cytoskeleton,filamin,globular,filamentous,fibril,protein,actin,tropomyosin