Human IL-1 Alpha, His Tag, E. coli

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Catalog Number

LDG002PHE

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• Specifications

  • Species of Origin

    Human

    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 19 kDa.
    The protein migrates as 17 kDa under reducing condition (SDS-PAGE analysis).

  • Activity

    Measure by its ability to induce D10.G4.1 cells proliferation. The ED₅₀ for this effect is <10 pg/mL. The specific activity of recombinant human IL-1 alpha is approximately >1 x10⁸ IU/ mg.

    Endotoxin level

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

  • Form

    Lyophilized

• Background

  • Background

    Interleukin-1 alpha (IL1 alpha or IL1α) is a member of the interleukin-1 cytokine family, found constitutively present in epithelial layers of the entire gastrointestinal tract, lung, liver, kidney, endothelial cells, and astrocytes. The synthesized IL-1 alpha is a 31 kDa inactive precursor and can be cleaved by intracellular caspase-1 or extracellular proteases to generate the bioactive 17 kDa form and the 16 kDa N-terminal cleavage product. Both precursor and mature IL-1 alpha protein bind to the IL-1 receptor (IL-1R), initiating a cascade of inflammatory cytokines and chemokines production such as IL-6, IL-8, and TNF, in response to viral and bacterial pathogens conditions. IL-1 alpha plays a central role in immune-surveillance mechanisms, stimulating macrophages, neutrophils, and CD8+ T cells activity.

    Synonyms

    Interleukin-1 alpha, Hematopoietin-1, IL1A, IL-1 ALPHA, IL1F1, IL1α

  • Uniprot ID

    P01583

    Sequence Note

    Ser113-Ala271

• Instruction

  • Reconstitution

    It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration of 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

  HPLC analysis of recombinant Human IL-1 Alpha, His Tag, E. coli.
  The purity of Human IL-1 Alpha Protein is greater than 95% as determined by RP-HPLC.

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

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• Datasheet & Documents

  Datasheet

  MSDS

  Manual

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Disclaimer：For Research Use or Further Manufacturing Only.

最後更新：2026.09.14