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产品概述
产品信息
| 别名 | Interleukin-4 Receptor subunit alpha; IL-4 Receptor subunit alpha; IL-4R subunit alpha; IL-4R-alpha; IL-4RA; CD124; IL-4-binding Protein; IL4-BP; IL4R; IL4RA |
| 物种 | Human |
| 表达宿主 | Human Cells |
| 序列信息 | Met26-Gln231 |
| 检索号 | P24394 |
| 分子量 | 50.2 kDa |
| 表观分子量 | 65-86 kDa |
| 生物活性 | Loaded Human IL-4-His on HIS1K Biosensor, can bind Human IL-4RA-mFc with an affinity constant of 0.12 nM as determined in BLI assay. |
产品特性
| 纯度 | >95% as determined by reducing SDS-PAGE. |
| 内毒素 | <1.0 EU per µg as determined by LAL test. |
| 保存 | Lyophilized protein should be stored at -5~-20℃, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at -5~-20℃ for 3 months. |
| 运输 | Ambient temperature or ice pack. |
| 制剂 | Lyophilized from a 0.2 μm filtered solution of PBS,pH7.4. |
| 复融 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
背景介绍
Interleukin 4 Receptor alpha (IL4-Ra) is a widely expressed 140 kDa transmembrane glyco Protein in theclass I Cytokine Receptor family. Mature human IL4-Ra consists of a 207 amino acid (aa) extracellulardomain (ECD) that contains a Cytokine binding region and one fibronectin type III domain, a 24 aatransmembrane segment, and a 569 aa cytoplasmic domain that contains one Box 1 Motif and one ITIMMotif. IL4-Ra plays an important role in Th2-biased immune responses, alternative macrophage activation,mucosal immunity, allergic inflammation, tumor progression, and atherogenesis. Soluble forms of IL4-Ra,generated by alternate splicing or proteolysis, retain Ligand binding properties and inhibit IL-4 bioactivity.
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