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Alternative name
JAK 2, JAK2, Janus kinase 2, JTK10, Tyrosine protein kinase JAK2 antibody
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Catalog
A004432
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Size100μg
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Formliquid
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Purity≥95% as determined by SDS-PAGE
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StoragePBS with 0.02% sodium azide and 50% glycerol pH 7.3 , -20℃ for 24 months (Avoid repeated freeze / thaw cycles.)
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ClonalityPolyclonal Antibody
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Host Rabbit
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Species ReactivityHuman,Mouse ,Rat
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Applications Tested/SuitableELISA,WB,IP
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PurificationImmunogen affinity purified
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ImmunogenJanus kinase 2 (a protein tyrosine kinase)
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Western BlotJurkat cells were subjected to SDS PAGE followed by western blot with A004432( JAK2 Antibody) at dilution of 1:600
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Recommended dilutionWB:1:200-1:2000;IP:1:200-1:1000
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Product Description specificalNon-receptor tyrosine kinase involved in various processes such as cell growth, development, differentiation or histone modifications. Mediates essential signaling events in both innate and adaptive immunity. In the cytoplasm, plays a pivotal role in signal transduction via its association with type I receptors such as growth hormone (GHR), prolactin (PRLR), leptin (LEPR), erythropoietin (EPOR), thrombopoietin (THPO); or type II receptors including IFN-alpha, IFN-beta, IFN-gamma and multiple interleukins (PubMed:7615558). Following ligand-binding to cell surface receptors, phosphorylates specific tyrosine residues on the cytoplasmic tails of the receptor, creating docking sites for STATs proteins (PubMed:9618263). Subsequently, phosphorylates the STATs proteins once they are recruited to the receptor. Phosphorylated STATs then form homodimer or heterodimers and translocate to the nucleus to activate gene transcription. For example, cell stimulation with erythropoietin (EPO) during erythropoiesis leads to JAK2 autophosphorylation, activation, and its association with erythropoietin receptor (EPOR) that becomes phosphorylated in its cytoplasmic domain. Then, STAT5 (STAT5A or STAT5B) is recruited, phosphorylated and activated by JAK2. Once activated, dimerized STAT5 translocates into the nucleus and promotes the transcription of several essential genes involved in the modulation of erythropoiesis. In addition, JAK2 mediates angiotensin-2-induced ARHGEF1 phosphorylation (PubMed:20098430). Plays a role in cell cycle by phosphorylating CDKN1B (PubMed:21423214). Cooperates with TEC through reciprocal phosphorylation to mediate cytokine-driven activation of FOS transcription. In the nucleus, plays a key role in chromatin by specifically mediating phosphorylation of 'Tyr-41' of histone H3 (H3Y41ph), a specific tag that promotes exclusion of CBX5 (HP1 alpha) from chromatin (PubMed:19783980).
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Gene nameJAK2
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Uniprot IDO60674
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Calculated M.W.130kDa,observed 150kDa
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Observed M.W.150 kDa
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