Human IL-21R Protein, His Tag yeasen
$100.00
In stock
SKU
95211ES25
Product Description
Product Properties Alternative Names CD360,IL21R,IL-21 receptor Species Human Expression Sequence Cys20-Glu232 Accession Q9HBE5 Tag C-His Expression System HEK293 Molecular Weight The protein has a predicted MW of 25.65 kDa. Due to glycosylation, the protein migrates to 43-50 kDa based on SDS-PAGE result. Purity > 95% as determined by SDS-PAGE and HPLC. Endotoxin < 1.0 EU per μg by the LAL method. Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. Appearance Lyophilized Powder Biological Activity 【ELISA Data】 Immobilized Human IL-21 at 1μg/ml (100μl/well) on the plate. Dose response curve for Human IL-21R, His Tag with the EC50 of 24.3ng/ml determined by ELISA. Reconstitution Method Before opening, centrifuge briefly. Reconstitute the lyophilized protein with distilled water to a concentration exceeding 100 μg/mL. Aliquot after initial reconstitution to avoid repeated freeze-thaw cycles.
Features
- High purity, high activity, low endotoxin, high batch-to-batch consistency
Storage
Lyophilized powder: Store at -25 to -15°C; stable for 1 year upon receipt.Reconstituted protein: Store under sterile conditions at -85 to -65°C; stable for 3 months.
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