CD158i (KIR2DS4) antibodies, human

CD158i (KIR2DS4) antibodies, human

Clone: REA860 | Dilution: 1:50
Clone REA860 recognizes the human CD158i antigen, also known as KIR2DS4, a member of the killer immunoglobulin-like receptor (KIR) family expressed on natural killer (NK) cells and some T cells. CD158i (KIR2DS4) provides an activation signal for NK lytic activity upon interaction with its ligand, HLA-Cw4, in an antigen-independent manner. KIRs are monomeric receptors possessing high allelic polymorphism with either two or three Ig-like extracellular domains. The receptor family can be subdivided functionally according to the length of their cytoplasmic tail in inhibitory and activating KIRs.
Additional information: Clone REA860 displays negligible binding to Fc receptors.

Alternative names

KIR2DS4

Technical specifications

  • Antigen: CD158i (KIR2DS4)
  • Clone: REA860
  • Isotype: recombinant human IgG1
  • Isotype control: REA Control (S) antibodies
  • Alternative names of antigen: KIR2DS4
  • Entrez Gene ID: 3809
  • Molecular mass of antigen [kDa]: 31
  • Distribution of antigen: NK cells, T cells
  • Product format: Reagents are supplied in buffer containing stabilizer and 0.05% sodium azide.
  • Fixation: Cells should be stained prior to fixation, if formaldehyde is used as a fixative.
  • Storage: Store protected from light at 2–8 °C. Do not freeze.
  • Available conjugates: FITC, PE, APC, VioBlue, PE-Vio615, PE-Vio770, APC-Vio770, PerCP-Vio700, VioBright 515, Biotin
  • Selected references

    1. Selvakumar, A. et al. (1997) Polymorphism and domain variability of human killer cell inhibitory receptors. Immunol. Rev. 155: 183-196
    2. Djeu, J. et al. (2002) A view to a kill: signals triggering cytotoxicity. Clin. Cancer Res. 8: 636-640
    3. Kratz, G. et al. (2004) MHC Class I-independent recognition of NK-activating receptor KIR2DS4. J. Immunol. 173: 1819-1825
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