The recombinant human IL-5 protein is expressed in E. coli, whose amino acid sequence is derived from human IL5 (P05113), (Ile20-Ser134) was expressed.

The recombinant human IL5 consists of 115 amino acids and predicts a molecular mass of 13.1 KDa. It migrates as an approximately 27 KDa band in SDS-PAGE under non-reducing conditions.

Human IL-5 protein measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is typically 0.1-0.5 ng/ml.

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Abbkine Scientific Co., Ltd. was founded by a number of scientists and marketing experts in the field of life science in California in 2012. With growing demands from Asia Pacific, it move its headquarters to China. Combining cutting edge technology from United States with China's manufacturing engineering and cost advantages, we aim to provide innovative, high quality assay kits, recombinant proteins, antibodies and other research tools to accelerate life science fundamental research, drug discovery, etc.