- p57Kip2 regulates actin dynamics by binding and translocating LIM-kinase 1 to the nucleus. Yokoo, T., Toyoshima, H., Miura, M., Wang, Y., Iida, K.T., Suzuki, H., Sone, H., Shimano, H., Gotoda, T., Nishimori, S., Tanaka, K., Yamada, N. J. Biol. Chem. (2003)