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You are here:Home » Antibodies » Abs to Adapter Proteins » Anti -SH2B1 (SH2B Adapter Protein 1, Pro-rich, PH and SH2 Domain-containing Signaling Mediator, PSM, SH2 Domain-containing Protein 1B, KIAA1299, SH2B)

Anti -SH2B1 (SH2B Adapter Protein 1, Pro-rich, PH and SH2 Domain-containing Signaling
Mediator, PSM, SH2 Domain-containing Protein 1B, KIAA1299, SH2B)

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Specifications

Clone Host Grade Applications
Polyclonal Goat Affinity Purified E
Adapter protein for several members of the tyrosine kinase receptor family. Involved in multiple signaling pathways mediated by Janus kinase (JAK) and receptor tyrosine kinases, including the receptors of insulin (INS), insulin-like growth factor I (IGF1), nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF), platelet-derived growth factor (PDGF) and fibroblast growth factors (FGFs). In growth hormone (GH) signaling, autophosphorylated ('Tyr-813') JAK2 recruits SH2B1, which in turn is phosphorylated by JAK2 on tyrosine residues. These phosphotyrosines form potential binding sites for other signaling proteins. GH also promotes serine/threonine phosphorylation of SH2B1 and these phosphorylated residues may serve to recruit other proteins to the GHR-JAK2-SH2B1 complexes, such as RAC1. In leptin (LEP) signaling, binds to and potentiates the activation of JAK2 by globally enhancing downstream pathways. In response to leptin, binds simultaneously to both, JAK2 and IRS1 or IRS2, thus mediating formation of a complex of JAK2, SH2B1 and IRS1 or IRS2. Mediates tyrosine phosphorylation of IRS1 and IRS2, resulting in activation of the PI 3-kinase pathway. Acts as positive regulator of NGF-mediated activation of the Akt/Forkhead pathway; prolongs NGF-induced phosphorylation of AKT1 on 'Ser-473' and AKT1 enzymatic activity. Enhances the kinase activity of the cytokine receptor-associated tyrosine kinase JAK2 and of other receptor tyrosine kinases, such as FGFR3 and NTRK1. For JAK2, the mechanism seems to involve dimerization of both, SH2B1 and JAK2. Enhances RET phosphorylation and kinase activity. Isoforms seem to be differentially involved in IGF-I and PDGF-induced mitogenesis.
Catalog #S1013-31D4
ApplicationsSuitable for use in ELISA. Other applications not tested.
Recommended DilutionELISA: 1:32,000
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
HostGoat
SourceHuman
Concentration~0.5mg/ml
FormSupplied as a liquid in Tris saline, 0.02% sodium azide, pH 7.3, 0.5% BSA.
PurityPurified by immunoaffinity chromatography.
ImmunogenSynthetic peptide corresponding to PFGASDCVTDHLP, from SH2B1, at C-terminal (NP_056318.2).
SpecificityRecognizes SH2B1. Species sequence homology: Bovine, canine, human, mouse, porcine and rat.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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