- A novel kinase cascade mediated by mitogen-activated protein kinase kinase 6 and MKK3. Moriguchi, T., Kuroyanagi, N., Yamaguchi, K., Gotoh, Y., Irie, K., Kano, T., Shirakabe, K., Muro, Y., Shibuya, H., Matsumoto, K., Nishida, E., Hagiwara, M. J. Biol. Chem. (1996)