Specifications Synonyms STWS;FLJ99923; LIFR; SWS Source Human LIF R/CD118 Protein is expressed from HEK293 with hFc tag at the C-Terminus. It contains Gln45-Ser833.[Accession | P42702-1] Molecular Weight The protein has a predicted MW of 116.1 kDa. Due to glycosylation, the protein migrates to 120-160 kDa based on SDS-PAGE result. Endotoxin Less than 1EU per μg by the LAL method. Purity > 95% as determined by SDS-PAGE Activity ELISA Data: Immobilized Human LIF, No Tag at 1μg/ml (100μl/Well) on the plate. Dose response curve for Human LIF R, hFc Tag with the EC50 of 66.8ng/ml determined by ELISA. Formulation Supplied as 0.22μm filtered solution in 20mM Tris, 500mM NaCL, 200mM L-arginine, 5mM DTT. Storage The product should be stored at -85~-65℃ for 1 year from date of receipt. Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles. Note 1.Please operate with lab coats and disposable gloves for your safety. 2.This product is for research use only.
