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Leadgene Leadgene
Mouse IL-5, His Tag, E. coli
Catalog Number

LDG028PME

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  • Specifications
    • Species of Origin

      Mouse

      Expression system

      Escherichia coli

    • Affinity Tag

      His Tag (C-term)

      Buffer

      Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.

    • Purity

      >98% as determined by SDS-PAGE analysis.

      Molecular weight

      The protein has a calculated MW of 13.93 kDa.
      The protein migrates as 11-17 kDa under reducing condition (SDS-PAGE analysis).

    • Activity

      Measure by its ability to induce TF-1 cells proliferation. The ED₅₀ for this effect is <0.2 ng/mL. The specific activity of recombinant mouse IL-5 is > 5 x 10⁶ IU/mg.

      Endotoxin level

      <0.1 EU per 1 μg of the protein by the LAL method.

    • Form

      Lyophilized

  • Background
    • Background

      Interleukin 5 (IL-5) is a 45-60 kDa homodimeric cytokine that functions principally in the eosinophil arm of the Th2 response. It is a member of the helical bundle family of cytokines, along with IL-3, IL-4, and granulocyte macrophage-colony stimulating factor (GM-CSF).

      Synonyms

      Interleukin-5, IL-5, B-cell Growth Factors II, BCGF-II, Cytotoxic T-lymphocyte inducer, Eosinophil differentiation factor, T-cell replacing factor, TRF

    • Uniprot ID

      #P04401

      Sequence Note

      Met21-Gly133

  • Instruction
    • Reconstitution

      It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

      Shipping

      The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.

    • Stability & Storage

      This product is stable after storage at:

      • -20°C for 12 months in lyophilized state from date of receipt.
      • -20°C or -80°C for 1 month under sterile conditions after reconstitution.

      Avoid repeated freeze/thaw cycles.

  • Image
    SDS-PAGE analysis of recombinant mouse IL-5.

    SDS-PAGE analysis of recombinant mouse IL-5.

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  • Datasheet & Documents
    MSDS
    Manual
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