Leadgene Leadgene
Human Activin A, Tag Free, E. coli
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  • Specifications
    • Species of Origin


      Expression System

      Escherichia coli

    • Affinity Tag

      Tag Free

      Storage Buffer

      0.1M Glycine, 150mM NaCl, pH 4.0.

    • Purity

      >95% as determined by SDS-PAGE analysis.

      Molecular weight

      The protein has a calculated MW of 13.1 kDa.
      The protein migrates as 15 kDa under reducing condition (SDS-PAGE analysis).

    • Activity

      Measure by its ability to inhibit the proliferation of mouse MPC-11 cells. The ED₅₀ for this effect is <10 ng/mL. The specific activity of recombinant human Activin A is approximately >1.0 x 10³ IU/mg.

      Endotoxin Level

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

    • Form


  • Background
    • Background

      Activin is the member of the TGF beta superfamily of cytokines. The current understanding of Activin A is classified as a hormone, a Growth Factors, and a cytokine. Depending on the different cell type, that overexpression of Activin A can either inhibit or promote cells division. There are important implications for tumor biology. Activin A also increase joint inflammation in rheumatoid arthritis (RA) and induces pathogenic mechanisms in the respiratory system.


      Inhibin beta A chain, Activin beta-A chain, Erythroid differentiation protein , EDF

    • Uniprot ID


      Sequence Note


  • 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.


      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 Activin A.

    SDS-PAGE analysis of recombinant human Activin A.

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  • Datasheet & Documents

Disclaimer:For Research Use or Further Manufacturing Only.

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