myosin heavy chain 7
अंतिम अद्यतन 13 Apr 2026
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The MYH7 gene provides instructions for making a protein known as myosin-7. This protein is found in heart (cardiac) muscle and in certain skeletal muscles, which are the muscles used for movement. Specifically, myosin-7 is found in type I skeletal muscle fibers, which are also known as slow-twitch fibers. These fibers are the primary component of skeletal muscles that do not tire easily, such as the muscles involved in maintaining posture.
Normal function
The MYH7 gene provides instructions for making a protein known as myosin-7. This protein is found in heart (cardiac) muscle and in certain skeletal muscles, which are the muscles used for movement. Specifically, myosin-7 is found in type I skeletal muscle fibers, which are also known as slow-twitch fibers. These fibers are the primary component of skeletal muscles that do not tire easily, such as the muscles involved in maintaining posture.
Myosin-7 helps generate the mechanical force that is needed for muscles to contract. It combines with other proteins to form the thick filaments that are found within structures called sarcomeres. Sarcomeres are the basic units of muscle contraction; they are composed of overlapping thick filaments and thin filaments. These thick and thin filaments undergo cycles of attachment and release, which allow the thin filaments to slide past the thick filaments. These movements shorten the sarcomere, which causes the muscle to contract. Regular contractions of cardiac muscle pump blood to the rest of the body, while the coordinated contraction and relaxation of skeletal muscles allow the body to move.
Conditions referring to this gene or chromosome
Other names
CMD1S
Related patient information and medicines
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अधिक पठन और संदर्भ
- myosin heavy chain 7; MedlinePlus, National Library of Medicine.
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