Species of Origin
His Tag (C-term)
Lyophilized from a 0.2 µm filtered solution of PBS, pH 8.0.
>98% as determined by SDS-PAGE analysis.
The protein has a calculated MW of 14.09 kDa.
The protein migrates as 14 kDa under reducing condition (SDS-PAGE analysis).
Measure by its ability to induce TF-1 cells proliferation. The ED₅₀ for this effect is <0.3 ng/mL.
<0.1 EU per 1 μg of the protein by the LAL method.
IL-5 is a 45-60 kDa homodimer 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).
Interleukin-5, B-cell differentiation factor I, Eosinophil differentiation factor, T-cell replacing factor, TRF
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.
SDS-PAGE analysis of recombinant human IL-5.1/1
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Datasheet & Documents1/1
Disclaimer：For Research Use Only. Not for use in diagnostic or therapeutic procedures.