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Interleukin 4 Human Recombinant, Yeast
Item#:
rAP-0644
Size Price Quantity
2.0 ug $70.00
10.0 ug $182.00
1000.0 ug $5,460.00
Product Name Interleukin 4 Human Recombinant, Yeast
Synonyms BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
Description Interleukin-4 Human Recombinant produced in yeast is a single, glycosylated polypeptide chain containing 129 amino acids.The IL-4 is purified by proprietary chromatographic techniques.
Uniprot Accesion Number P05112

Amino Acid Sequence

Source Pichia pastoris.
Physical Appearance and Stability Lyophilized Interleukin-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Interleukin-4 should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles.
Formulation and Purity The protein was lyophilized from 0.2µm filtered solution in 20mM sodium phosphate buffer pH 6.0 in absence of any carrier protein. Greater than 98% as determined by SDS-PAGE.
Application
Solubility It is recommended to reconstitute the lyophilized Interleukin-4 in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Biological Activity The biological activity is determined by measuring the dose-dependent proliferation of human TF¿1 cells and CD23 expression. A concentration range of 0.1¿10.0 ng/ml is effective for most in vitro applications. ED50 = 0.05¿0.4ng/ml.
Shipping Format and Condition Lyophilized powder at room temperature.
Usage Statement Our products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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