Inhibition of IL-1 alpha-dependent proliferation in D10.G4.1 mouse helper T cells: ED50 = 2.62-10.48ng/mL in the presence of 50 pg/mL of rrIL-1 alpha; Specific activity = 9.54×10^4~3.82×10^5 units/mg.
Purity
>92% (by SDS-PAGE).
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4 (0.22µm filter sterilized).
Endotoxin Level
<1 EU/µg.
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.
Inhibition of IL-1 alpha-dependent proliferation for D10.G4.1 Mouse helper T cells with Recombinant Rat IL-1RA Protein (A331675): ED50 = 2.62-10.48 ng/mL in the presence of 50 pg/mL of rrIL-1 alpha; Specific activity = 9.54×10^4~3.82×10^5 units/mg.
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