Human IL-21 Protein, Fc Tag

• Catalog Number: orb545751
• Category: Proteins
• Description: Human IL-21, Fc Tag is expressed from human 293 cells (HEK293). It contains AA Gln 30 - Ser 162 (Accession # Q9HBE4-1).
• Target: IL-21
• Conjugation: Unconjugated
• Tag: C-Fc
• Reactivity: Human
• Form/Appearance: Powder
• Buffer/Preservatives: 50 mM Tris, 100 mM Glycine, 150 mM NaCl, pH 7.5
• Purity: 95%
• UniProt ID: Q9HBE4
• MW: 41.9 kDa
• Application notes: This protein carries a human IgG1 Fc tag at the C-terminus. The protein has a calculated MW of 41.9 kDa. The protein migrates as 45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
• Expression System: HEK293
• Endotoxins: 1.0 EU per μg
• Expression Region: Gln 30 - Ser 162
• Storage: -20°C to -70°C for 12 months in lyophilized state;. -70°C for 3 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower
• Research Area: Immunology & Inflammation
• Note: For research use only
• Expiration Date: 6 months from date of receipt.

Immobilized Human IL-21 R, His Tag (Cat. No. orb257627) at 2 μg/mL (100 μL/well) can bind Human IL-21, Fc Tag (Cat. No. orb545751) with a linear range of 0.2-8 ng/mL (QC tested).