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Leadgene Leadgene
Human IL-1 Beta, His Tag, E. coli
Catalog Number

LDG003PHE

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  • Specifications
    • Species of Origin

      Human

      Expression System

      Escherichia coli

    • Affinity Tag

      His Tag (C-term)

      Storage Buffer

      Lyophilized from a 0.2 µm filtered solution of PBS, pH 8.0.

    • Purity

      >98% as determined by SDS-PAGE analysis.

      Molecular weight

      The protein has a calculated MW of 18.5 kDa.
      The protein migrates as 17 kDa under reducing condition (SDS-PAGE analysis).

    • Activity

      Measure by its ability to induce IL-8 secretion in HT29 cells. The ED₅₀ for this effect is <2.0 ng/mL. The specific activity of recombinant human IL-1 beta is approximately > 5 x 10⁷ IU/mg.

      Endotoxin Level

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

    • Form

      Lyophilized

  • Background
    • Background

      Interleukin-1 beta (IL-1β) is a major cytokine expressed in macrophage, NK cells, monocytes, and neutrophils. It also plays fundamental role in inflammatory response, including monocyte activation, which is essential for the host defense and pathogen resistance. Pro-IL-1β is cleaved by cytosolic caspase 1 to form mature IL-1β.

      Synonyms

      Interleukin-1 beta, Catabolin

    • Uniprot ID

      #P01584

      Sequence Note

      Ala117-Ser269

  • 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 human IL-1 Beta.

    SDS-PAGE analysis of recombinant human IL-1 Beta.

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  • Datasheet & Documents
    MSDS
    Manual
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