Biotinylated Human IL-21

• Catalog Number: orb3002507
• Category: Proteins
• Description: Recombinant Human Interleukin-21 is produced by our Mammalian expression system and the target gene encoding Gln30-Ser162 is expressed with a Avi, 6His, tag at C-terminus.
• Tag: C-Avi-6His
• Form/Appearance: Supplied as a 0.2 μm filtered solution of 4mM HCl.
• Purity: SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.
• UniProt ID: Q9HBE4
• MW: Predicted: 18.2 KDa. Observed: 16-22 KDa, reducing conditions
• Expression System: Human Cells
• Endotoxins: < 0.01 EU/µg as determined by LAL test.
• Biological Activity: BLI: Loaded Biotinylated Human IL-21(C-6His-Avi) (Cat#orb3002507) on SA Biosensor, can bind Recombinant Human IL-21R (C-6His) (Cat#orb2994695) with an affinity constant of 1.70 nM as determined in BLI assay. (Regularly tested)
• Expression Region: Gln30-Ser162
• Storage: Store at ≤-70°C, stable for 6 months after receipt. Store at ≤-70°C, stable for 3 months under sterile conditions after opening. Please minimize freeze-thaw cycles.
• Alternative names: Interleukin-21; IL-21; Za11; IL21
• Note: For research use only