Species of Origin
His Tag (N-term)
Lyophilized from a 0.2 µm filtered solution of PBS, pH 8.0.
>95% as determined by SDS-PAGE analysis.
The protein has a calculated MW of 20.19 kDa.
The protein migrates as 19 kDa under reducing condition (SDS-PAGE analysis).
Measure by its ability to inhibit IL-8 secretion in human PBMCs in the presence of LPS. The ED₅₀ for this effect is <1.12 μg/mL.
<0.1 EU per 1 μg of the protein by the LAL method.
Interferon-alpha 1a (IFN-alpha 1a) is a leukocyte interferon, which is a variant of Interferon-alpha. IFN-alpha 1a is a 19.5kDa protein containing 167 amino acid residues. It could bind the interferon receptors that activates the signal transduction of immune responses through the Jak/STAT pathway in leukocytes and lymphoblastoid cells.
Interferon alpha-1 / 13, IFN-alpha-1 / 13, Interferon alpha-D, LeIF D
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 IFN Alpha 1a.1/1
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Datasheet & Documents1/1
Disclaimer：For Research Use Only. Not for use in diagnostic or therapeutic procedures.