Recombinant Mouse IL-4 Rα

The biological activity of Mouse IL-4 R was determined by its ability to inhibit the IL-4-dependent proliferation of HT2 cells. The expected ED₅₀ for this effect is typically 0.05-0.2 μg/ml in the presence of 3 ng/ml of Mouse IL-4.

Fc Fusion Protein

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Ile26

Lyophilized

The predicted molecular weight of Recombinant Mouse IL-4 Rα is Mr 51 kDa. However, the actual molecular weight as observed by migration on SDS-PAGE is Mr 65-85 kDa.

51

This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.

This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.

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