IL-21[Biotin], His & Avi, Human
IL-21[Biotin], His & Avi, Human

Immobilized Human IL-21R, hFc Tag at 1 μg/ml (100 μl/well) on the plate. Dose response curve for IL-21[Biotin], His & Avi, Human, His Tag with the EC50 of 4.7 ng/ml determined by ELISA.

IL-21[Biotin], His & Avi, Human

IL-21[Biotin], His & Avi, Human on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

IL-21[Biotin], His & Avi, Human

Interleukin-21 (IL-21), produced predominantly by CD4 T cells and natural killer T (NKT) cells, is a newly discovered member of the common γ-chain family of cytokines. It has been implicated in many immunological processes and has been linked to autoimmune diseases, allergies and other inflammatory diseases.
Z04507
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Product Introduction
Species Human
Protein Construction
Avi His IL-21 (Gln32-Ser162)
Accession # Q9HBE4-1
N-term C-term
Conjugate Biotin
Purity > 95% as determined by Bis-Tris PAGE
Endotoxin Level Less than 1EU per μg by the LAL method.
Biological Activity Measured by its binding ability in a functional ELISA.Test result was comparable to standard batch.
Expression System E.coli
Theoretical Molecular Weight 18.30 kDa
Apparent Molecular Weight The protein has a predicted MW of 18.30 kDa same as Bis-Tris PAGE result.
Formulation Lyophilized from 0.22 μm filtered solution in 20mM NaAc, 500mM NaCl (pH 5.5).
Reconstitution Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in 20mM NaAc, 500mM NaCl (pH 5.5).
Storage & Stability Upon receiving, the product remains stable for 6 months at -20℃ or below. Upon reconstitution, the product should be stable for 3 months at -80℃. Avoid repeated freeze-thaw cycles.

Examples
  • IL-21[Biotin], His & Avi, Human
    • IL-21[Biotin], His & Avi, Human

    Immobilized Human IL-21R, hFc Tag at 1 μg/ml (100 μl/well) on the plate. Dose response curve for IL-21[Biotin], His & Avi, Human, His Tag with the EC50 of 4.7 ng/ml determined by ELISA.

  • IL-21[Biotin], His & Avi, Human
    • IL-21[Biotin], His & Avi, Human

    IL-21[Biotin], His & Avi, Human on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.


Background
Target Background Interleukin-21 (IL-21), produced predominantly by CD4 T cells and natural killer T (NKT) cells, is a newly discovered member of the common γ-chain family of cytokines. It has been implicated in many immunological processes and has been linked to autoimmune diseases, allergies and other inflammatory diseases.
Synonyms Interleukin-21; IL-21; Za11; CVID11

For research use only. Not intended for human or animal clinical trials, therapeutic or diagnostic use.