IRAK2 binds to the IRAK4 accociated with the complex of the activated TLR : TIRAP : MyD88

Stable Identifier
Reaction [binding]
Gallus gallus
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In mammals activated IRAK4 phosphorylates both IRAK1 and IRAK2. Activated IRAK1 and IRAK2 in turn induce NFkB and AP-1 intracellular signaling cascades mediated by TRAF6.

Bioinformatic analysis reveals no evidence of IRAK1 in the chicken genome. It is possible that the chicken TLR pathway utilizes only IRAK-2, which shares 47% amino acid sequence identity with human IRAK2.

Literature References
PubMed ID Title Journal Year
19539094 The avian Toll-Like receptor pathway--subtle differences amidst general conformity

Cormican, P, Lloyd, AT, Downing, T, Connell, SJ, Bradley, D, O'Farrelly, C

Dev Comp Immunol 2009
18438411 Sequential control of Toll-like receptor-dependent responses by IRAK1 and IRAK2

Kawagoe, T, Sato, S, Matsushita, K, Kato, H, Matsui, K, Kumagai, Y, Saitoh, T, Kawai, T, Takeuchi, O, Akira, S

Nat Immunol 2008
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