HER2 (ErbB2) Antibody Phospho (pY877) | LM12190 | Leading Biology

商品分类：单克隆抗体

产品概述：HER2 / ErbB2 is one of the four members of the ErbB receptor family of transmembrane receptor-like tyrosine kinases (1). The kinase activity of ErbB2 can be activated without ligand if it is overexpressed, and by association with other ErbB proteins (2). Overexpression of ErbB2 is detected in almost 40% of human breast cancers (3). ErbB2 is one of the major targets for the treatment of breast cancer and other carcinomas. Autophosphorylation did not modulate receptor turnover. A Tyr----Phe substitution of ErbB-2 Tyr-877 homologous to pp60c-src Tyr-416 did not alter ErbB-2 biological and biochemical properties, thus excluding the possibility that phosphorylation of this residue, located in the kinase domain, modulates ErbB-2 gp185 catalytic function (4).

靶点/蛋白：A phospho - specific peptide corresponding to residues surrounding tyrosine 877 of human HER2 was used as an immunogen. This antibody detects HER2 phosphorylated at tyrosine 877.

来源：Rabbit

存储溶液：50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.

参考文献：1. Muthuswamy, S. K., et al. Mol. Cell. Biol. 19: 6845-6857 (1999).
2. Qian, X., et al. Proc. Natl. Acad. Sci. USA 91: 1500
3. Dittadi, R, et al. J. Natl. Cancer Inst. 92: 1443-1444 (2000).
4. Klapper, L. N., et al. Cancer Res. 60: 3384-3388 (2000).
5. Segatto O, et al. New Biol 2(2):187-95, 1990


特异性：Human

别名：Receptor tyrosine-protein kinase erbB-2, Metastatic lymph node gene 19 protein, MLN 19, Proto-oncogene Neu, Proto-oncogene c-ErbB-2, Tyrosine kinase-type cell surface receptor HER2, p185erbB2, CD340, ERBB2, HER2, MLN19, NEU, NGL

应用：WB~~1:100000

简单描述：Rabbit Monoclonal HER2 (ErbB2) Antibody Phospho (pY877). Validated for use in WB, IF. Clone: EPR2324Y.

详情：FunctionProtein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.Cellular_LocationIsoform 1: Cell membrane; Single-pass type I membrane protein. Cytoplasm, perinuclear region. Nucleus Note=Translocation to the nucleus requires endocytosis, probably endosomal sorting and is mediated by importin beta-1/KPNB1 Isoform 3: Cytoplasm. Nucleus.Tissue_LocationExpressed in a variety of tumor tissues including primary breast tumors and tumors from small bowel, esophagus, kidney and mouth.

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