The recombinant human IL-31 protein, His Tag is expressed in Human Cells, whose amino acid sequence is derived from human IL31 (NP_001014358.1), (Met1-Thr164) was expressed with a polyhistidine tag at the C-terminus.

The recombinant human IL31 consists of 152 amino acids and predicts a molecular mass of 17.3 KDa. It migrates as an approximately 31.8 KDa band in SDS-PAGE under reducing conditions.

Human IL-31 protein, His Tag measured by its ability to induce STAT3 activation in U‑87 cells. The ED50 for this effect is 11-45 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.