Recombinant Human Interleukin 4 Receptor Size: 100µg Catalogue Number: IL4R-586H Citations, Manuals and MSDS Available upon request. Storage Temperature: The lyophilized powder is stable at room temperature for a few weeks but it is best stored desiccated at -20℃. Reconstituted IL-4R should be stored in working aliquots at -20℃. Avoid frequent freeze thaw cycles. Applications: For Research Use Only. Not intended for any clinical use. Purity: Greater than 97% by SDS-PAGE and HPLC analyses. Endotoxin level is less than 0.1 ng per µg (1EU/µg). Host: HEK293 Grade: Research Grade Protein species: Human Tag: None