Species of Origin
His Tag (C-term)
Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.
>95% as determined by SDS-PAGE analysis.
The protein has a calculated MW of 13.06 kDa.
The protein migrates about 11 kDa under reducing condition (SDS-PAGE analysis).
Measure by its ability to induce TF-1 cells proliferation. The ED₅₀ for this effect is< 4 ng/mL. The specific activity of recombinant mouse IL-13 is > 2.5 x 10⁵ IU/mg.
<0.1 EU per 1 μg of the protein by the LAL method.
Interleukin 13 (IL-13) with a molecular mass of 10 kDa cytokine, it secreted by T helper type 2 (Th2) cells, CD4 cells, natural killer T cell, mast cells, basophils, eosinophils and nuocytes. It is homologous to IL-4 and shares many of its biologic activities on mononuclear phagocytic cells, endothelial cells, epithelial cells, and B cells.
Interleukin-13, IL-13, T-cell activation protein P600
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 2 weeks under sterile conditions after reconstitution.
Avoid repeated freeze/thaw cycles.
SDS-PAGE analysis of recombinant mouse IL-13.1/1
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Datasheet & Documents1/1
Disclaimer：For Research Use Only. Not for use in diagnostic or therapeutic procedures.