Article
HTLV-I Tax protein binds to MEKK1 to stimulate IkappaB kinase activity and NF-kappaB activation.
Cell - 29 May 1998
Yin M J, Christerson L B, Yamamoto Y, Kwak Y T, Xu S, Mercurio F, Barbosa M, Cobb M H, Gaynor R B
Abstract excerpt
NF-kappaB, a key regulator of the cellular inflammatory and immune response, is activated by the HTLV-I transforming and transactivating protein Tax. We show that Tax binds to the amino terminus of the protein kinase MEKK1, a component of an IkappaB kinase complex, and stimulates MEKK1 kinase activity. Tax expression increases the activity of IkappaB kinase beta (IKKbeta) to enhance phosphorylation of serine...
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