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分子别名（Synonym）
IL2RB,RP5-1170K4.6,CD122,P70-75
表达区间及表达系统（Source）
Mouse IL-2 R beta, Fc Tag (ILB-M5253) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Glu 240 (Accession # P16297-1).
Predicted N-terminus: Ala 27
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 51.5 kDa. The protein migrates as 65-80 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Unconjugated
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
质量管理控制体系（QMS）
数据展示
电泳（SDS-PAGE）
Mouse IL-2 R beta, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.
活性（Bioactivity）-SPR
Mouse IL-2, His Tag (Cat. No. IL2-M52H3) immobilized on CM5 Chip can bind Mouse IL-2 R beta, Fc Tag (Cat. No. ILB-M5253) with an affinity constant of 36.2 μM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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背景介绍
CD122 is also known as IL2R beta, is a member of the type I cytokine receptor family. CD122 is the receptor for interleukin-2 and is involved in receptor mediated endocytosis and transduces the mitogenic signals of IL2.
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