anti-ZAP70 antibody

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  • Alternative name

    70 kDa zeta associated protein, FLJ17670, FLJ17679, SRK, STD, Syk related tyrosine kinase, Tyrosine protein kinase ZAP 70, TZK, ZAP 70, ZAP70 antibody

  • Catalog
    A009582
  • Size100μg
  • Formliquid
  • Purity≥95% as determined by SDS-PAGE
  • StoragePBS with 0.02% sodium azide and 50% glycerol pH 7.3 , -20℃ for 24 months (Avoid repeated freeze / thaw cycles.)
  • ClonalityPolyclonal Antibody
  • Host Rabbit
  • Species ReactivityHuman,Mouse ,Rat
  • Applications Tested/SuitableELISA,WB,IHC,IP
  • PurificationImmunogen affinity purified
  • Immunogenzeta-chain (TCR) associated protein kinase 70kDa
  • IHCImmunohistochemistry of paraffin-embedded human tonsillitis using A009582(ZAP70 antibody) at dilution of 1:50
  • Western BlotJurkat cells were subjected to SDS PAGE followed by western blot with A009582(ZAP70 antibody) at dilution of 1:1000
  • Recommended dilutionWB:1:500-1:5000;IHC:1:20-1:200;IP:1:500-1:5000
  • Product Description specificalTyrosine kinase that plays an essential role in regulation of the adaptive immune response. Regulates motility, adhesion and cytokine expression of mature T-cells, as well as thymocyte development. Contributes also to the development and activation of primary B-lymphocytes. When antigen presenting cells (APC) activate T-cell receptor (TCR), a serie of phosphorylations lead to the recruitment of ZAP70 to the doubly phosphorylated TCR component CD247/CD3Z through ITAM motif at the plasma membrane. This recruitment serves to localization to the stimulated TCR and to relieve its autoinhibited conformation. Release of ZAP70 active conformation is further stabilized by phosphorylation mediated by LCK. Subsequently, ZAP70 phosphorylates at least 2 essential adapter proteins: LAT and LCP2. In turn, a large number of signaling molecules are recruited and ultimately lead to lymphokine production, T-cell proliferation and differentiation. Furthermore, ZAP70 controls cytoskeleton modifications, adhesion and mobility of T-lymphocytes, thus ensuring correct delivery of effectors to the APC. ZAP70 is also required for TCR-CD247/CD3Z internalization and degradation through interaction with the E3 ubiquitin-protein ligase CBL and adapter proteins SLA and SLA2. Thus, ZAP70 regulates both T-cell activation switch on and switch off by modulating TCR expression at the T-cell surface. During thymocyte development, ZAP70 promotes survival and cell-cycle progression of developing thymocytes before positive selection (when cells are still CD4/CD8 double negative). Additionally, ZAP70-dependent signaling pathway may also contribute to primary B-cells formation and activation through B-cell receptor (BCR).
  • Gene nameZAP70
  • locationCell membrane,Cytoplasm,Membrane
  • Uniprot IDP43403
  • Calculated M.W.70kDa
  • Observed M.W.70 kDa


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