Product Pathways - Jak/Stat Pathway
Jak3 (D1H3) Rabbit mAb #8827
|8827S||100 µl (10 western blots)||---||In Stock||---|
|8827P||40 µl (4 western blots)||---||In Stock||---|
|8827||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation, IF-IC=Immunofluorescence (Immunocytochemistry)
Species predicted to react based on 100% sequence homology: Monkey.
Specificity / Sensitivity
Jak3 (D1H3) Rabbit mAb recognizes endogenous levels of total Jak3 protein.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human Jak3 protein.
Western blot analysis of extracts from various cell lines using Jak3 (D1H3) Rabbit mAb.
Members of the Janus family of tyrosine kinases (Jak1, Jak2, Jak3, and Tyk2) are activated by ligands binding to a number of associated cytokine receptors (1). Upon cytokine receptor activation, Jak proteins become autophosphorylated and phosphorylate their associated receptors to provide multiple binding sites for signaling proteins. These associated signaling proteins, such as Stats (2), Shc (3), insulin receptor substrates (4), and focal adhesion kinase (FAK) (5), typically contain SH2 or other phospho-tyrosine-binding domains.
Jak3 is primarily expressed in hematopoietic cells and is required for immune cell function and development (6-8). It binds to the common γ subunit (γc), a shared receptor subunit also used by several cytokines including IL-2, IL-4, IL-7, IL-9, and IL-15 (9). IL-2 signaling and Stat5 activation are highly impaired by the loss of Jak3 (10,11). Jak3 is phosphorylated at multiple sites, including Tyr980 and 981 within the activation loop (12-14).
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- VanderKuur, J. et al. (1995) J Biol Chem 270, 7587-93.
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- Thomis, D.C. et al. (1995) Science 270, 794-7.
- Nosaka, T. et al. (1995) Science 270, 800-2.
- Park, S.Y. et al. (1995) Immunity 3, 771-82.
- Russell, S.M. et al. (1994) Science 266, 1042-5.
- Johnston, J.A. et al. (1994) Nature 370, 151-3.
- Oakes, S.A. et al. (1996) Immunity 5, 605-15.
- Zhou, Y.J. et al. (1997) Proc Natl Acad Sci USA 94, 13850-5.
- Cheng, H. et al. (2008) Mol Cell Biol 28, 2271-82.
- Rikova, K. et al. (2007) Cell 131, 1190-203.
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