ACTB-1003 is primarily utilized in the field of biomedical research, particularly in studies focused on cellular processes and molecular biology. It is often employed to investigate the mechanisms of actin polymerization and its role in cell motility, structure, and intracellular transport. Researchers use ACTB-1003 to better understand diseases related to cytoskeletal dysfunction, such as cancer metastasis, neurodegenerative disorders, and immune system abnormalities. Additionally, it serves as a valuable tool in drug development, helping to screen and evaluate compounds that target actin dynamics for therapeutic purposes. Its application extends to advanced imaging techniques, where it aids in visualizing actin filaments in live cells, providing insights into real-time cellular behavior.