Measured in a cell cytotoxicity assay using TF-1 cells: ED50 = 0.26-1.02ng/mL; Specific activity = 9.80×10^5~3.85×10^6 units/mg.
Purity
>90% (by SDS-PAGE).
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4, with 8% Trehalose (0.22µm filter sterilized).
Endotoxin Level
<0.1 EU/µg of the protein by LAL method.
Storage
Shipped at 4°C. Lyophilized: Store at -20°C to -80°C up to 1 year from the date of receipt. Reconstituted: Aliquot and store at -20°C for 3 months or 2-8°C for up to 1 week. Avoid freeze/thaw cycles.
Recombinant Human IFNA4 Protein (C-terminal His Tag) (A330765)
Cytotoxicity effects induced by Recombinant Human IFNA4 Protein (C-terminal His Tag) (A330765) in TF-1 cells: ED50 = 0.26-1.02 ng/mL; Specific activity = 9.80×10^5~3.85×10^6 units/mg.
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