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CD3-zeta Antibody Phospho (pY83)

Rabbit Monoclonal Antibody

     
  • WB - CD3-zeta Antibody Phospho (pY83) AJ1162c
    A. Western blot analysis on Jurkat cell lysates using anti-Phospho-CD3 zeta (pY83) RabMAb (Cat. #AJ1162c), 1:10,000 dilution. Cells were either (A) untreated (B) treated with pervanadate.
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
WB
Primary Accession P20963
Reactivity Human
Host Rabbit
Clonality Monoclonal
Clone Names EP776(2)Y
Calculated MW 18696 Da
Gene ID 919
Other Names T-cell surface glycoprotein CD3 zeta chain, T-cell receptor T3 zeta chain, CD247, CD247, CD3Z, T3Z, TCRZ
Target/Specificity A phospho specific peptide corresponding to residues surrounding tyrosine 83 of human CD3 zeta was used as an immunogen. This antibody detects CD3 zeta phosphorylated on tyrosine 83.
Dilution WB~~1:500
Format 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsCD3-zeta Antibody Phospho (pY83) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name CD247
Synonyms CD3Z, T3Z, TCRZ
Function Part of the TCR-CD3 complex present on T-lymphocyte cell surface that plays an essential role in adaptive immune response. When antigen presenting cells (APCs) activate T-cell receptor (TCR), TCR-mediated signals are transmitted across the cell membrane by the CD3 chains CD3D, CD3E, CD3G and CD3Z. All CD3 chains contain immunoreceptor tyrosine-based activation motifs (ITAMs) in their cytoplasmic domain. Upon TCR engagement, these motifs become phosphorylated by Src family protein tyrosine kinases LCK and FYN, resulting in the activation of downstream signaling pathways (PubMed:2470098, PubMed:7509083). CD3Z ITAMs phosphorylation creates multiple docking sites for the protein kinase ZAP70 leading to ZAP70 phosphorylation and its conversion into a catalytically active enzyme (PubMed:7509083). Plays an important role in intrathymic T-cell differentiation. Additionally, participates in the activity-dependent synapse formation of retinal ganglion cells (RGCs) in both the retina and dorsal lateral geniculate nucleus (dLGN) (By similarity).
Cellular Location Membrane; Single-pass type I membrane protein
Tissue Location CD3Z is expressed in normal lymphoid tissue and in peripheral blood mononuclear cells (PBMCs) (PubMed:11722641).
Research Areas
Citations (0)

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Background

CD3 (Cluster of Differentiation 3) is a complex of proteins that associates directly with the T cell antigen receptor (TCR) (1). Antigen binding to the TCR leads to IL-2 secretion via activation of a tyrosine phosphorylation pathway and a phospholipase C (PLC) pathway, in turn activating protein kinase C (1,2). CD3 is composed of five invariant polypeptide chains that associate to form three dimers. The five invariant chains of CD3 are labeled gamma, delta, epsilon, zeta, and eta. The zeta chain plays an important role in coupling antigen recognition to several intracellular signal-transduction pathways (3). Loss of the zeta chain results in the synthesis of unstable TCRs (4). The reversible phosphorylation of tyrosine residues is an important mechanism for modulating biological processes such as cellular signaling, differentiation, and growth, and if deregulated, can result in various types of cancer (5).

References

1. Weiss, A., et al. Sem. Immunol. 3: 313
2. Siegel, J.N., et al. Sem Immunol. 3: 325
3. Irving, B. A., and Weiss, A. (1991) Cell 64, 891-901
4. Minami, Y., Weissman, A.M., Samelson, L.E., and Klausner, R.D. 1987.Natl. Acad. Sci. USA. 84:2688-2692
5. Saloman AR, et al. Proc Natl Acad Sci 100(2):443-8, 2003

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Discontinued
Cat# AJ1162c
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