Novus Biologicals™ Recombinant Human IL-21 Protein

Product Code.	Quantity	unitSize
18400002	500 μg	500µg
18420992	100 μg	100µg
18437661	10 μg	10µg
18481562	1 mg	1mg

Product Code. 18400002 Supplier Novus Biologicals™ Supplier No. NBP235057500ug

Description

Recombinant Protein

Fully biologically active when compared to standard. Measured by its ability to enhance IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50 for this effect is less than or equal to 2 ng/mL. The specific activity of recombinant human IL-21 >5.0 x 10^5 U/mg.

Specifications

• Accession Number: Q9HBE4, Q9HBE4, Q9HBE4
• Concentration: LYOPH
• For Use With (Application): PAGE, Bioactivity
• Formulation: Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4.
• Gene ID (Entrez): 59067
• Molecular Weight (g/mol): 15.4 kDa
• Quantity: 500 μg
• Storage Requirements: Store at -20°C to -70°C as supplied. After reconstitution, store at 2°C to 8°C for 1 month and at -20°C to -70°C for long term storage. Avoid repeated freeze-thaw cycles.
• Endotoxin Concentration: Less than 1 EU/ug of IL-21 as determined by LAL method.
• Gene Alias: IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform
• Gene Symbol: IL21
• Reconstitution: Recommended to centrifuge prior to opening. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0mg/mL. Apportion stock solutions into working aliquots and store at <-20°C.
• Research Category: Biologically Active Proteins, Cytokine Research, Immunology, Innate Immunity, Protein Kinase, Signal Transduction
• Purity or Quality Grade: >97% pure by SDS-PAGE and HPLC
• Protein: IL-21