ARP (Actin-related protein) complexes

ARP (Actin-Related Protein) complexes are specialized protein assemblies involved in organizing and remodeling the cell's internal skeleton, made primarily of actin filaments. These complexes regulate the formation, structure, and dynamics of actin networks, which are crucial for cell shape, movement, and internal transport. By nucleating new actin filaments or modifying existing ones, ARP complexes enable processes like cell migration and the internal sorting of materials. They are essential for maintaining cellular integrity and facilitating interactions with the environment, functioning as key regulators of the actin cytoskeleton.