MAP3K5 (ASK1) phosphorylates and activates MAP2K3 (MKK3) and MAP2K6 (MKK6) (Ichijo et al. 1997). A conserved docking site, DVD, at the C-terminus of MAP2K3 and MAP2K6 is needed for the interaction with MAP3K5 and MAP3K5-mediated activation (Takekawa et al. 2005).
Tatebayashi, K, Saito, H, Takekawa, M
Nishida, E, Irie, K, Ichijo, H, Matsumoto, K, Saitoh, M, ten Dijke, P, Gotoh, Y, Moriguchi, T, Miyazono, K, Takagi, M
protein serine/threonine kinase activity of MAP3K5 [cytosol]
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