Name: Mouse Interleukin-21
Price: Inquiry

- Overview
  - Predicted MW: Monomer, 15.1 kDa (130 aa). Interleukin 21 (IL-21) is a member of the common-gamma chain family of cytokines that are involved in immunoregulation. IL-21 is normally expressed by activated CD4+ T cells. The IL-21 receptor (IL-21R) activates the JAK/STAT signaling pathway and is expressed on T, B, and natural killer (NK) cells. Within the B cell lineage, IL-21 is a switch factor regulating IgG1 and IgG3 antibody production. IL-21 also cooperates with interleukin 4 (IL-4) for the production of multiple antibody classes in B cells. IL-21 has pleiotropic effects on the proliferation, differentiation, and effector functions of B, T, NK, and dendritic cells.
    
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- Properties
  - Source
    
    Genetically modified E.coli
    
    Type
    
    Recombinant Proteins
    
    Purification
    
    Reducing and Non-Reducing SDS PAGE at >= 95%
    
    Formulation
    
    Lyophilized from a sterile (0.2 micron) filtered aqueous solution containing 20 mM sodium bicarbonate, pH 8.5
    Sterile water at 0.1 mg/mL
    
    Storage
    
    Store at -20°C
    
    Endotoxin
    
    Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test.
    
    Activity
    
    Biological Activity was determined by Mouse thymocyte proliferation with costimulation at <=10 ng/mL; >= 1.0 x 10^5 units/mg . Centrifuge vial before opening, Suspend the product by gently pipetting the above recommended solution down the sides of the vial. DO NOT VORTEX. Allow several minutes for complete reconstitution. For prolonged storage, dilute to working aliquots in a 0.1% BSA solution, store at -80°C and avoid repeat freeze thaws. Upon reconstitution, a small amount of visible precipitate can be expected. A 10% overfill has been added to the total material vialed to compensate for this loss.
    
    More Information
    
    UniProt
    
    Q9ES17
    
    Gene ID
    
    60505
    
    * For Research Use Only. Not for use in diagnostic/therapeutics procedures.

Mouse Interleukin-21

Mouse Interleukin-21

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