Human IL‑21R Subunit Biotinylated Antibody Summary
Cys20-Pro236
Accession # Q9HBE5
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: IL-21R
Interleukin-21 (IL-21) and its receptor play an important role in the regulation of the immune system. IL-21 R, also called NILR (novel interleukin receptor), is a type I cytokine receptor with 4 conserved cysteine residues and an extracellular WSXWS motif. It is most closely related to IL-2 R beta, IL-4 R alpha, and IL-9 R. The gene for human IL-21 R has been mapped to chromosome 16p12. Human IL-21 R is a 538 amino acid (aa) residue type I transmembrane protein with a 19 aa signal peptide, a 217 aa extracellular domain, a 19 aa transmembrane domain, and a 283 aa cytoplasmic domain. IL-21 R is expressed on lymphoid tissues, peripheral B cells, and cell lines of T, B, and NK lineage. The common gamma chain ( gamma c) is required for IL-21 R signaling. The IL-21/IL-21 R interaction appears to play an important role in B and T cell proliferation after antigen stimulation and NK cell maturation.
- Parrish-Novak, et al. (2000) Nature 408:57.
- Ozaki, K. et al. (2000) Proc. Natl. Acad. Sci. USA 97:11439.
- Dumoutier, L. et al. (2000) Proc. Natl. Acad. Sci. USA 97:10144.
- Asao, H. et al. (2001) J. Immunol. 167:1.
Product Datasheets
Citation for Human IL‑21R Subunit Biotinylated Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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IL-21 sustains CD28 expression on IL-15-activated human naive CD8+ T cells.
Authors: Alves NL, Arosa FA, van Lier RA
J. Immunol., 2005-07-15;175(2):755-62.
Species: Human
Sample Types: Whole Cells
Applications: Flow Cytometry
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