Description

  • Product name

    Recombinant human IL-4 Receptor alpha protein
    See all IL-4 Receptor alpha proteins and peptides
  • Biological activity

    Determined by its ability to inhibit the IL-4-dependent proliferation of human TF-1 cells. The
    expectedsED50sis ≤ 5.0 ng/ml (in the presence of 0.5 ng/ml of hIL-4), corresponding to a specific activity
    of ≥ 2 x 105sunits/mg.

  • Purity

    > 95 % SDS-PAGE.
    Greater than 97% by SDS-PAGE and HPLC analyses.
  • Expression system

    CHO cells
  • Protein length

    Protein fragment
  • Animal free

    No
  • Nature

    Recombinant
    • Species

      Human
    • Sequence

      MKVLQEPTCV SDYMSISTCE WKMNGPTNCS TELRLLYQLV FLLSEAHTCI PENNGGAGCV CHLLMDDVVS ADNYTLDLWA GQQLLWKGSF KPSEHVKPRA PGNLTVHTNV SDTLLLTWSN PYPPDNYLYN HLTYAVNIWS ENDPADFRIY NVTYLEPSLR IAASTLKSGI SYRARVRAWA QCYNTTWSEW SPSTKWHNSY REPFEQH

Specifications

Our Abpromise guarantee covers the use of ab225862 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications

    SDS-PAGE

    Functional Studies

  • Form

    Lyophilised
  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped at 4°C. Upon delivery aliquot. Store at -20°C. Avoid freeze / thaw cycle.

    This product is an active protein and may elicit a biological response in vivo, handle with caution.

  • Reconstitution
    Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. This solution can then be diluted into other aqueous buffers and stored at 4oC for 1 week or -20oC for future use.

General Info

  • Alternative names

    • IL4 binding protein
    • IL4 BP
    • IL4 Receptor alpha
    • sIL4Ralpha
    • Soluble interleukin 4 receptor alpha chain
    see all
  • Relevance

    IL-4 Receptor alpha (IL-4RA) is the alpha chain of the interleukin 4 receptor which binds to both interleukin 4 and interleukin 13 to regulate IgE production, chemokine and mucus production at sites of allergic inflammmation. The IL4 response is involved in promoting Th2 differentiation. The secreted extracellular domain of IL-4R alpha, called sIL4R alpha, can inhibit IL4-mediated cell proliferation and IL5 upregulation by T-cells. It has no signaling abilities. Allelic variations in the IL-4RA gene have been associated with atopy, a condition that can manifest itself as allergic rhinitis, sinusitus, asthma, or eczema.
  • Cellular localization

    Cell membrane; single-pass type I membrane protein. Isoform 2: Secreted protein.

References

ab225862 has not yet been referenced specifically in any publications.

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