Date published: 2025-11-23

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IRAK-4 Antibody (G-2): sc-374349

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Datasheets
  • IRAK-4 Antibody (G-2) is a mouse monoclonal IgG2a κ IRAK-4 antibody, cited in 3 publications, provided at 200 µg/ml
  • raised against amino acids 1-100 mapping at the N-terminus of IRAK-4 of human origin
  • IRAK-4 Antibody (G-2) is recommended for detection of IRAK-4 of human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-IRAK-4 Antibody (G-2) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG2a BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for IRAK-4 Antibody (G-2) for WB and IHC(P) applications. These reagents are now offered in bundles with IRAK-4 Antibody (G-2) (see ordering information below).

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IRAK-4 Antibody (G-2) is a mouse monoclonal IgG2a kappa light chain antibody that detects IRAK-4 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). IRAK-4 (G-2) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. IRAK-4, also known as Interleukin-1 Receptor-Associated Kinase 4, plays a crucial role in the innate immune response by mediating signal transduction from Toll-like receptors and interleukin-1 receptors, which are vital for the activation of the NFkB signaling pathway and MAP kinase pathways. IRAK-4 is primarily located in the cytoplasm and is essential for proper immune cell functioning, as IRAK-4 facilitates IRAK-1 phosphorylation, thereby amplifying immune response. IRAK-4 shows high expression in liver and kidney tissues, with lower levels found in other tissues, underscoring IRAK-4′s importance in maintaining immune homeostasis. IRAK-4 deficiencies can lead to severe immunological consequences, including recurrent bacterial infections and diminished response to lipopolysaccharides and interleukin-1, making IRAK-4 a potential target for therapeutic interventions aimed at enhancing immune function.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

IRAK-4 Antibody (G-2) References:

  1. IRAK-4: a novel member of the IRAK family with the properties of an IRAK-kinase.  |  Li, S., et al. 2002. Proc Natl Acad Sci U S A. 99: 5567-72. PMID: 11960013
  2. IRAK-4 as the central TIR signaling mediator in innate immunity.  |  Suzuki, N., et al. 2002. Trends Immunol. 23: 503-6. PMID: 12297423
  3. Functional diversity and regulation of different interleukin-1 receptor-associated kinase (IRAK) family members.  |  Janssens, S. and Beyaert, R. 2003. Mol Cell. 11: 293-302. PMID: 12620219
  4. The role of interleukin 1 receptor-associated kinase-4 (IRAK-4) kinase activity in IRAK-4-mediated signaling.  |  Lye, E., et al. 2004. J Biol Chem. 279: 40653-8. PMID: 15292196
  5. Cutting edge: expression of IL-1 receptor-associated kinase-4 (IRAK-4) proteins with mutations identified in a patient with recurrent bacterial infections alters normal IRAK-4 interaction with components of the IL-1 receptor complex.  |  Medvedev, AE., et al. 2005. J Immunol. 174: 6587-91. PMID: 15905496
  6. Cutting edge: molecular structure of the IL-1R-associated kinase-4 death domain and its implications for TLR signaling.  |  Lasker, MV., et al. 2005. J Immunol. 175: 4175-9. PMID: 16177054
  7. Small Molecule Inhibition of Interleukin-1 Receptor-Associated Kinase 4 (IRAK4).  |  Genung, NE. and Guckian, KM. 2017. Prog Med Chem. 56: 117-163. PMID: 28314411
  8. IRAK-4 in macrophages contributes to inflammatory osteolysis of wear particles around loosened hip implants.  |  Zhang, YC., et al. 2021. Innate Immun. 27: 470-482. PMID: 34139893
  9. Inherited IRAK-4 Deficiency in Acute Human Herpesvirus-6 Encephalitis.  |  Tepe, ZG., et al. 2023. J Clin Immunol. 43: 192-205. PMID: 36205835
  10. PROTAC Targeted Degradation of IRAK-4 as Potential Treatment in Cancer.  |  Kargbo, RB. 2023. ACS Med Chem Lett. 14: 539-540. PMID: 37197458
  11. IRAK-4 inhibition: emavusertib for the treatment of lymphoid and myeloid malignancies.  |  Parrondo, RD., et al. 2023. Front Immunol. 14: 1239082. PMID: 37954584
  12. A noncanonical IRAK4-IRAK1 pathway counters DNA damage-induced apoptosis independently of TLR/IL-1R signaling.  |  Li, Y., et al. 2023. Sci Signal. 16: eadh3449. PMID: 38113335

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

IRAK-4 Antibody (G-2)

sc-374349
200 µg/ml
$316.00

IRAK-4 Antibody (G-2): m-IgG Fc BP-HRP Bundle

sc-529725
200 µg Ab; 10 µg BP
$354.00

IRAK-4 Antibody (G-2): m-IgGκ BP-HRP Bundle

sc-522707
200 µg Ab, 40 µg BP
$354.00

IRAK-4 Antibody (G-2): m-IgG2a BP-HRP Bundle

sc-547368
200 µg Ab; 10 µg BP
$354.00

IRAK-4 Antibody (G-2) AC

sc-374349 AC
500 µg/ml, 25% agarose
$416.00

IRAK-4 Antibody (G-2) HRP

sc-374349 HRP
200 µg/ml
$316.00

IRAK-4 Antibody (G-2) FITC

sc-374349 FITC
200 µg/ml
$330.00

IRAK-4 Antibody (G-2) PE

sc-374349 PE
200 µg/ml
$343.00

IRAK-4 Antibody (G-2) Alexa Fluor® 488

sc-374349 AF488
200 µg/ml
$357.00

IRAK-4 Antibody (G-2) Alexa Fluor® 546

sc-374349 AF546
200 µg/ml
$357.00

IRAK-4 Antibody (G-2) Alexa Fluor® 594

sc-374349 AF594
200 µg/ml
$357.00

IRAK-4 Antibody (G-2) Alexa Fluor® 647

sc-374349 AF647
200 µg/ml
$357.00

IRAK-4 Antibody (G-2) Alexa Fluor® 680

sc-374349 AF680
200 µg/ml
$357.00

IRAK-4 Antibody (G-2) Alexa Fluor® 790

sc-374349 AF790
200 µg/ml
$357.00

I need to use an antibody to detect the protein in samples of bovine origin. Do you know if this mouse monoclonal antibody will work?

Asked by: jerojero
Please contact our Technical Service Department and we would be happy to perform sequence analysis and review our data to answer any questions you may have about additional species reactivity.
Answered by: Technical Support 7
Date published: 2017-02-03
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Rated 5 out of 5 by from great antibodyIRAK4 on porcine lung samples, at 1:1000. it worked well. thank you!
Date published: 2018-05-11
Rated 4 out of 5 by from great featureI bought this some mouths ago and am so happy that Idid.This antibody has a high titer and high specificity.
Date published: 2017-10-11
Rated 4 out of 5 by from Great featureI bought this same mouths ago and am so happy that I did. This antibody have high specificity and high titer.
Date published: 2017-10-11
Rated 3 out of 5 by from Average featuresI got the sample product about a mouth ago and have used it for confocal microscopy observation on dendtritic cells. The cells were fixed by methyl alcohol, and then blocked by 5% BSA in 37℃ for 1 h, IRAK4(m)(1:100) antibody incubated in 4℃ for overnight, following G-M(cy3) second antibody in 37℃ for 1.5 h. The results are shown in the added photo. In my opinion, I think there should be some improvements for the antibody. For example, the specificity is not so good , and there was false positive signal in the cell nucleus, in addition, I felt that the signal was too weak when used in such a high concentration, maybe the titer could be improved.
Date published: 2017-04-18
Rated 5 out of 5 by from Great antibodyGreat IRAK-4 antibody for human detection. Strong Western blot, IHC(P), and IF data obtained in several cell and tissue samples.
Date published: 2017-02-03
Rated 5 out of 5 by from good antibody in WB of HT-29/ Jurkat cells........good antibody in WB of HT-29/ Jurkat cells.........
Date published: 2016-12-02
Rated 4 out of 5 by from Very good antibody for Western blottingThis product has been independently tested and validated in-house at Kinexus Bioinformatics Corporation as a relatively potent and fairly specific antibody for Western blotting with a mixture of mouse brain, testes and thymus tissue lysates. It clearly detected an appropriately sized ~51 kDa target protein in these immunoblots.
Date published: 2016-10-13
Rated 4 out of 5 by from Strong bands seen in WB using Jurkat and KStrong bands seen in WB using Jurkat and K-562 whole cell lysates. -SCBT QC
Date published: 2015-01-22
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IRAK-4 Antibody (G-2) is rated 4.3 out of 5 by 9.
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