Human IRAK3 Antibody Summary
Accession # Q9Y616
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of Human IRAK3 by Western Blot. Western blot shows lysates of EOL-1 human acute myeloid (eosinophilic) leukemia cell line and THP-1 human acute monocytic leukemia cell line. PVDF Membrane was probed with 1 µg/mL of Sheep Anti-Human IRAK3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6264) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for IRAK3 at approximately 68 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Human IRAK3 by Western Blot. Western blot shows recombinant human IRAK1, recombinant human IRAK2, recombinant human IRAK3, and recombinant human IRAK4 (2 ng/lane). PVDF Membrane was probed with 1 µg/mL of Sheep Anti-Human IRAK3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6264) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
IRAK3 (Interleukin-1 receptor-associated kinase 3; also IRAK-M) is a 68‑70 kDa member of the Pelle subfamily, TKL Ser/Thr protein kinase family of proteins. IRAK3 has limited expression, being mainly found in macrophages, eosinophils and respiratory epithelium, including type II alveolar cells. IRAK3 is a negative regulator of TLR signaling. Following TLR activation, it appears to form a complex with MyD88, IRAK1 and IRAK4 on the TLR cytoplasmic domain. This effectively blocks IRAK1/4 phosphorylation and inhibits NF kappa B and MAPK downstream activation. Human IRAK3 is 596 amino acids (aa) in length, contains one death domain (aa 41‑106) and a nonfunctional protein kinase domain (aa 171‑443). There are six Ser phosphorylation sites. There is one splice variant with a deletion of aa 45‑105.
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