Troponin vs Tropomyosin - What's the difference?

troponin | tropomyosin |

As nouns the difference between troponin and tropomyosin

is that troponin is (protein|medicine) a complex of three regulatory proteins that is integral to muscle contraction in skeletal and cardiac muscle, or any member of this complex the level of troponin in the blood is often used as an indicator of heart damage while tropomyosin is (protein) any of a family of muscle proteins that regulate the interaction of actin and myosin.