IRAK, CT, Blocking Peptide (IL-1 Receptor-associated Kinase)

Peptide corresponding to amino acids 700 to 712 of human IRAK (1).\n\nNuclear factor kappa B (NF-kB) is a ubiquitous transcription factor and an essential mediator of gene expression during activation of immune and inflammatory responses. NF-kB mediates the expression of a great variety of genes in response to extracellular stimuli including IL-1, TNFa and LPS. A serine/threonine protein kinase associated with IL-1 receptor (IRAK) and its homologue mouse pelle-like protein kinase (mPLK) were identified recently (1,2). IRAK is associated with the IL-1 receptor subunits IL-1RI and IL-1RAcP after IL-1 binding and serves as a signaling molecule to mediate IL-1 response (3). IRAK mediates a signaling cascade leading to NF-kB activation by members in IL-1 family including IL-1 and a novel cytokine IL-18 (also termed IGIF) (1,4).

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SPECIFICATIONS

Catalog Number

I8600P

Size

50ug

Form

Supplied as a lyophilized powder.

Purity

Purified 60-70%

References

1. Cao Z; Henzel WJ; Gao X. IRAK: a kinase associated with the interleukin-1 receptor. Science 1996; 271:1128-31.\n\n2. Trofimova M; Sprenkle AB; Green M; Sturgill TW; Goebl MG; Harrington MA. Developmental and tissue-specific expression of mouse pelle-like protein kinase. J Bio Chem 1996; 271: 17609-12.\n\n3. Jianing Huang, Xiong Gao, Shyun Li, and Zhaodan Cao. Recruitment of IRAK to the interleukin 1 receptor complex requires interleukin-1 receptor accessory protein. Proc Natl Acad Sci USA 1997;94:12829-12832\n\n4. Robinson D, Shibuya K, Mui A, Zonin F, Murphy E, Sana T, Hartley SB, Menon S, Kastelein R, Bazan F, O'Garra A. IGIF does not drive Th1 development but synergizes with IL-12 for interferon-gamma production and activates IRAK and NF-kB. Immunity 1997;7:571-581\n