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You are here:Home » Antibodies » Antibodies-Oncoproteins » Anti -ERBB3 (Receptor Tyrosine-protein Kinase erbB-3, Proto-oncogene-like Protein c-ErbB-3, Tyrosine Kinase-type Cell Surface Receptor HER3, HER3)

Anti -ERBB3 (Receptor Tyrosine-protein Kinase erbB-3, Proto-oncogene-like Protein
c-ErbB-3, Tyrosine Kinase-type Cell Surface Receptor HER3, HER3)


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Clone Host Grade Applications
Monoclonal Mouse Ascites E B IH
HER3/ErbB3 is a member of the ErbB receptor protein tyrosine kinase family, but lacks tyrosine kinase activity. Tyrosine phosphorylation of ErbB3 depends on its association with other ErbB tyrosine kinases. Upon ligand binding, heterodimers form between ErbB3 and other ErbB proteins and ErbB3 is phosphorylated on tyrosine residues by the activated ErbB kinase. There are at least 9 potential tyrosine phosphorylation sites in the carboxy-terminal tail of ErbB3. These sites serve as consensus binding sites for signal transducing proteins, including Src family members, Grb2 and the p85 subunit of PI3 kinase, which mediate ErbB- downstream signaling. Both Tyr1222 and Tyr1289 of ErbB3 reside within a YXXM motif and participate in signaling to PI3 kinase. ErbB3 is highly expressed in many cancer cells and activation of ErbB3-PI3 kinase pathway is correlated with malignant phenotypes of adenocarcinomas. In tumor development, ErbB3 may function as an oncogenic unit together with other ErbB members, e.g. ErbB2 requires ErbB3 to drive breast tumor cell proliferation. Thus, prevention of the interaction of ErbB3 with other ErbB tyrosine kinases has become a novel anti-tumor strategy.
Catalog #C0026-09M
ApplicationsSuitable for use in ELISA, Western Blot and Immunohistochemistry. Other applications not tested.
Recommended DilutionELISA: 1:10,000
Western Blot: 1:500-1:2000
Immunohistochemistry (Formalin fixed paraffin embedded): 1:200-1:400
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 TypeMonoclonal
Clone No3F10F6
ConcentrationNot determined
FormSupplied as a liquid, 0.03% sodium azide.
ImmunogenRecombinant corresponding to aa1175-1275 from human ERBB3.
SpecificityRecognizes human ERBB3.
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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