Recombinant Human MYLPF protein (His tag N-Terminus)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

MYLPF also known as Myosin Light Chain Phosphorylatable Fast Skeletal Muscle is a protein with a molecular mass of approximately 25 kDa. This protein plays an important role in muscle contraction by regulating the actin-myosin interactions in fast skeletal muscles. It is primarily found in the skeletal muscle tissue and has a critical function in modulating the contractile properties of these muscles. MYLPF belongs to the myosin light chain family and interacts closely within the sarcomere the basic unit of muscle fiber.

Biological function summary

MYLPF influences muscle function by participating in the regulation of sarcomere structure and muscle contraction dynamics. It functions in a complex with other myosin light chains acting as a regulator in muscle fiber tension and contraction rates. MYLPF specifically affects the phosphorylation state of the myosin light chain which alters muscle contraction speed and efficiency. The protein balances muscle force generation and plays an essential role in fine-tuning motor activity especially in rapid and powerful movements.

Pathways

MYLPF is an integral component in signaling that controls muscle contraction and relaxation processes. It is tightly associated with the calcium signaling pathway which regulates muscle contraction in response to neural stimuli. Additionally MYLPF interacts with other proteins within the sarcomere such as myosin heavy chains and collaborates with calcium-calmodulin-dependent protein kinases. These interactions are pivotal for transducing signals essential for muscle function contraction timing and coordination.

Alterations in MYLPF expression or function have links to muscular dystrophies which are characterized by progressive weakness and loss of muscle mass. Dysregulation of MYLPF may also contribute to cardiac disorders impacting heart muscle function and leading to cardiomyopathies. The close interaction of MYLPF with proteins like myosin heavy chains in muscle fibers denotes a possible pathway through which mutations or dysregulations propagate muscle-related diseases. Understanding MYLPF's role in these pathologies offers insight into potential therapeutic strategies aimed at muscle function restoration.