Myosin-binding proteins are a group of proteins that play a critical role in the regulation of muscle contraction. These proteins bind to myosin, a key structural and contractile protein in muscle cells, and help to regulate the interaction between myosin and actin, another important muscle protein. Myosin-binding proteins have been extensively studied in both cardiac and skeletal muscle, and research in this area has helped to advance our understanding of muscle function and dysfunction in health and disease. Studies have shown that mutations in myosin-binding proteins can lead to various muscle disorders, highlighting the importance of these proteins in maintaining proper muscle function. Active areas of research in this field include investigating the molecular mechanisms by which myosin-binding proteins regulate muscle contraction and exploring their potential as therapeutic targets for muscle-related diseases.