分子别名（Synonym）:CD124,IL-4RA,IL4R,IL4RA

种属（Species）：Human

表达系统（Expressed Host）：HEK293 Cells

产品状态（Buffer）：Lyophilized from sterile PBS, pH 7.4

分子量（Molecule Mass）：The secreted recombinant human IL4R consists of 218 amino acids after cleavage of the signal peptide and predictes a molecular mass of 25.3 kDa. In SDS-PAGE under reducing conditions, it migrates with the apparent molecular mass of 43-48 kDa due to glycosylation.

内毒素（Endotoxin）：＜1.0 EU per μg by the LAL method.

生物活性(Activity)：1. Measured by its binding ability in a functional ELISA. Immobilized human IL4R-His (Cat:H1626-802H) at 10 μg/mL (100 μl/well) can bind biotinylated human IL4 (Cat:H3070-NAE). The EC50 of biotinylated human IL4 is 20.8-48.5 ng/mL.

表达区间（Protein Construction）：A DNA sequence encoding the human IL4R (NP_000409.1) precursor (Ser 2-His 232) was fused with a polyhistidine tag at the C-terminus.

存储条件（Storage）： For long term storage, the product should be stored at lyophilized state at -20℃ or lower.Please avoid repeated freeze-thaw cycles. No activity loss is observed after storage at:4-8℃ for 12 months in lyophilized state;-70℃ for 3 months under sterile conditions after reconstitution.

运输条件： In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.