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ILEX LIFE SCIENCES LLC Recombinant IL4 Human Expressed in yeast 10 ug 10 UG 1/EA
Supplier: ILEX LIFE SCIENCES LLC A37120010
Ilex Life Sciences Interleukin-4 (IL-4) Human P pastoris Recombinant Protein 10 g DESCRIPTION Our bioactive Interleukin-4 (IL-4) Human P pastoris Recombinant Protein is a single glycosylated polypeptide chain that contains 129 amino acids SOURCE Expressed in P pastoris yeast FORMULATION Sterile filtered white lyophilized (freeze-dried) powder IL-4 protein was lyophilized from a 0 2 m filtered solution in 20 mM sodium phosphate buffer pH 6 0 in absence of any carrier protein PURITY 98% (SDS-PAGE) BIOACTIVITY 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 4 ng/ml OTHER NAMES Interleukin 4 IL4 B-cell stimulatory factor 1 (BSF-1) Lymphocyte stimulatory factor 1 UniProtKB P05112 USAGE For Laboratory Research Use Only Not for use in diagnostic or therapeutic procedures
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