Recombinant Rat IL-21R / Interleukin-21 Receptor Protein (His tag)

Interleukin-21 receptor, also known as IL-21 receptor, IL-21R, Novel interleukin receptor, IL21R and NILR, is a single-pass type I membrane protein which belongs to the type I cytokine receptor family and Type 4 subfamily. Interleukin-21 (IL-21) belongs to a family of cytokines that bind to a composite receptor consisting of a private receptor (IL-21R) and the common cytokine receptor gamma chain ( gamma(C) ). The IL-21R is discovered as a novel member of the class-I-cytokine-receptor family and is selectively expressed in lymphoid tissues. IL-21R shows strong sequence homologies to the interleukin-4 receptor alpha chain gene (IL-4RA). The WSXWS motif of IL-21R appears to be necessary for proper protein folding and thereby efficient intracellular transport and cell-surface receptor binding. The box 1 motif of IL-21R is required for JAK interaction and / or activation. The IL-21R is widely distributed on lympho-haematopoietic cells and IL21 impacts a number of cell types, including CD8+ memory T cells, NK cells and subsets of CD4 memory T cells. Increased IL21 production is characteristic of certain autoimmune diseases and is likely to contribute to autoantibody production as well as pathological features of autoimmune disease. The critical role of IL21 in promoting humoral immune responses makes it an important focus of potential therapeutic interventions in conditions characterised by overproduction of pathogenic autoantibodies.
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基本信息

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货号 TP07312
规格 20ug,50ug,100ug…
宿主 HEK293 Cells
Accession Q5EBB1
分子大小 26.5 kDa
AP_Mol_Weight 43-48 kDa
Tag C-His
蛋白序列 Met1-Pro236
纯度 > 95% by HPLC
浓度
配方 PBS
别名 IL21R
生物学活性 Immobilized rat IL21R-His at 10 µg/ml (100 μl/well) can bind biotinylated rat IL21-His, The EC50 of biotinylated rat IL21-His is 4.6-10.9 ng/ml.
保存条件 4°C 短期保存 (1-2 周). 长期保存在 -20°C or -70°C. 避免反复冻融.
注意 仅用于科学研究, 不能用于疾病诊断.

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