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ACROBiosystems Human IL-21 Protein, Fc Tag
Marke: ACROBiosystems IL1-H5253-100ug
Weitere Details : Netto-Gewicht : 0.00010kg
Beschreibung
Interleukin-21 (IL-21) is a secreted protein which belongs to the IL-15 / IL-21 family. Interleukin-21 / IL-21 belongs to a family of cytokines that bind to a composite receptor consisting of a private receptor (IL21R) and the common cytokine receptor gamma chain (gamma(C)). Interleukin-21 / IL-21 impacts a number of cell types, including CD8+ memory T cells, NK cells and subsets of CD4 memory T cells. The IL-21R is widely distributed on lympho-haematopoietic cells. IL-21 is a pleiotropic cytokine produced by CD4+ T cells in response to antigenic stimulation. Its action generally enhances antigen-specific responses of immune cells. IL-21 promotes the anti-tumor activity of CD8+ T-cells and NK cells. IL-21 exerts its effect through binding to a specific type I cytokine receptor, IL-21R, which also contains the γ chain (γc) found in other cytokine receptors including IL-2, IL-4, IL-7, IL-9 and IL-15. The IL-21/IL-21R interaction triggers a cascade of events which includes activation of the tyrosine kinases JAK1 and JAK3, followed by activation of the transcription factors STAT1 and STAT3.
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.Spezifikation
| NP_068575.1 | |
| 100 μg | |
| Gln 30 - Ser 162 | |
| IL21,Za11,Interleukin-21 | |
| Unconjugated | |
| Fc Tag | |
| Less than 1.0 EU / μg by the LAL method. | |
| Powder | |
| >95% as determined by SDS-PAGE |
| 41.9 kDa | |
| Human IL-21, Fc Tag (IL1-H5253) is expressed from human 293 cells (HEK293). It contains AA Gln 30 - Ser 162 (Accession # Q9HBE4-1). | |
| -20°C | |
| IL-21 | |
| Human | |
| 50 mM Tris, 100 mM Glycine, 150 mM NaCl, pH7.5 | |
| HEK293 | |
| Cytokines and Growth Factors |