Product cited in:
Crews, Alessandrini, Erikson: "The primary structure of MEK, a protein kinase that phosphorylates the ERK gene product." in: Science (New York, N.Y.), Vol. 258, Issue 5081, pp. 478-80, 1992 (PubMed).
Zheng, Guan: "Activation of MEK family kinases requires phosphorylation of two conserved Ser/Thr residues." in: The EMBO journal, Vol. 13, Issue 5, pp. 1123-31, 1994 (PubMed).
Alessi, Saito, Campbell et al.: "Identification of the sites in MAP kinase kinase-1 phosphorylated by p74raf-1." in: The EMBO journal, Vol. 13, Issue 7, pp. 1610-9, 1994 (PubMed).
Zheng, Guan: "Cloning and characterization of two distinct human extracellular signal-regulated kinase activator kinases, MEK1 and MEK2." in: The Journal of biological chemistry, Vol. 268, Issue 15, pp. 11435-9, 1993 (PubMed).