ED50: 30-150 ng/ml, as determined by its ability to inhibit IL1a-dependent proliferation in D10.G4.1 mouse helper T cells, corresponding to a specific activity of 6,667-33,334U/mg, in the presence of 50pg/ml of rrIL1a.
Purity
>95% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. Avoid freeze/thaw cycles.