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IRAK4 Antibody (N-term)

Purified Rabbit Polyclonal Antibody (Pab)

     
  • 14 - IRAK4 Antibody (N-term) AP7805a
    Formalin-fixed and paraffin-embedded human cancer tissue reacted with the primary antibody, which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated. BC = breast carcinoma; HC = hepatocarcinoma.
  • 1 - IRAK4 Antibody (N-term) AP7805a
    Western blot analysis of IRAK4 (arrow) using rabbit polyclonal IRAK4 Antibody (R20) (Cat. #AP7805a). 293 cell lysates (2 ug/lane) either nontransfected (Lane 1) or transiently transfected (Lane 2) with the IRAK4 gene.
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Product Information
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
IHC-P, WB, E
Primary Accession Q9NWZ3
Other Accession Q8R4K2, Q1RMT8, NP_057207
Reactivity Human
Predicted Bovine, Mouse
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 51530 Da
Antigen Region 5-36 aa
Additional Information
Gene ID 51135
Other Names Interleukin-1 receptor-associated kinase 4, IRAK-4, Renal carcinoma antigen NY-REN-64, IRAK4
Target/Specificity This IRAK4 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 5-36 amino acids from the N-terminal region of human IRAK4.
Dilution IHC-P~~1:100~500
WB~~1:1000
E~~Use at an assay dependent concentration.
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is prepared by Saturated Ammonium Sulfate (SAS) precipitation followed by dialysis against PBS.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsIRAK4 Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name IRAK4
Function Serine/threonine-protein kinase that plays a critical role in initiating innate immune response against foreign pathogens. Involved in Toll-like receptor (TLR) and IL-1R signaling pathways (PubMed:17878374). Is rapidly recruited by MYD88 to the receptor- signaling complex upon TLR activation to form the Myddosome together with IRAK2. Phosphorylates initially IRAK1, thus stimulating the kinase activity and intensive autophosphorylation of IRAK1. Phosphorylates E3 ubiquitin ligases Pellino proteins (PELI1, PELI2 and PELI3) to promote pellino-mediated polyubiquitination of IRAK1. Then, the ubiquitin- binding domain of IKBKG/NEMO binds to polyubiquitinated IRAK1 bringing together the IRAK1-MAP3K7/TAK1-TRAF6 complex and the NEMO-IKKA-IKKB complex. In turn, MAP3K7/TAK1 activates IKKs (CHUK/IKKA and IKBKB/IKKB) leading to NF-kappa-B nuclear translocation and activation. Alternatively, phosphorylates TIRAP to promote its ubiquitination and subsequent degradation. Phosphorylates NCF1 and regulates NADPH oxidase activation after LPS stimulation suggesting a similar mechanism during microbial infections.
Cellular Location Cytoplasm.
Research Areas

For Research Use Only. Not For Use In Diagnostic Procedures.

BACKGROUND

Protein kinases are enzymes that transfer a phosphate group from a phosphate donor, generally the g phosphate of ATP, onto an acceptor amino acid in a substrate protein. By this basic mechanism, protein kinases mediate most of the signal transduction in eukaryotic cells, regulating cellular metabolism, transcription, cell cycle progression, cytoskeletal rearrangement and cell movement, apoptosis, and differentiation. With more than 500 gene products, the protein kinase family is one of the largest families of proteins in eukaryotes. The family has been classified in 8 major groups based on sequence comparison of their tyrosine (PTK) or serine/threonine (STK) kinase catalytic domains. The tyrosine-like kinase (TLK) group consists of 40 tyrosine and serine-threonine kinases such as MLK (mixed-lineage kinase), LISK (LIMK/TESK), IRAK (interleukin-1 receptor-associated kinase), Raf, RIPK (receptor-interacting protein kinase), and STRK (activin and TGF-beta receptors) families.

REFERENCES

Medvedev, A.E., et al., J. Exp. Med. 198(4):521-531 (2003).
Jiang, Z., et al., J. Biol. Chem. 278(13):10952-10956 (2003).
Picard, C., et al., Science 299(5615):2076-2079 (2003).
Li, S., et al., Proc. Natl. Acad. Sci. U.S.A. 99(8):5567-5572 (2002).
Suzuki, N., et al., Nature 416(6882):750-756 (2002).

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