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Mouse IL-2 R alpha / CD25 Protein, His Tag

分子别名(Synonym)

IL2RA,CD25,p55,IL2-RA,IL-2-RA

表达区间及表达系统(Source)

Mouse IL-2 R alpha, His Tag (ILA-M52H9) is expressed from human 293 cells (HEK293). It contains AA Glu 22 - Lys 236 (Accession # P01590-1).

Predicted N-terminus: Glu 22

Request for sequence

蛋白结构(Molecular Characterization)

Online(Glu 22 - Lys 236) P01590-1

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 26.6 kDa. The protein migrates as 40-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

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 PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

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:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Mouse IL-2 R alpha, His Tag (Cat. No. ILA-M52H9) SDS-PAGE gel

Mouse IL-2 R alpha, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Biotinylated Human IL-2, Fc Tag, Avi Tag (Cat. No. IL2-H82F3) at 5 μg/mL (100 μL/well) on Streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate, can bind Mouse IL-2 R alpha, His Tag (Cat. No. ILA-M52H9) with a linear range of 5-40 ng/mL (QC tested).

Protocol

Biotinylated Human  ELISA

Immobilized Mouse IL-2 R alpha, His Tag (Cat. No. ILA-M52H9) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-2, Fc Tag, Avi Tag (Cat. No. IL2-H82F3) with a linear range of 0.6-10 ng/mL (Routinely tested).

Protocol

背景(Background)

Interleukin-2 receptor subunit alpha (IL2RA) is also known as IL-2R subunit alpha, IL-2-RA, IL2-RA, TAC antigen, p55, CD antigen CD25, is a type I transmembrane glycoprotein. IL2RA is expressed on activated T cells and regulatory T cells, and is capable of binding IL2 with low affinity by itself. However, a ligand-induced high affinity heterotrimeric receptor complex is produced when IL2RA is associated non-covelently with the IL2 receptor beta and gamma chain, and subsequently initiates the intacellular signal pathways such as MAPK or JAK/STAT. On dendritic cells (DC), CD25 has been previously regarded as an activation marker, while both murine and human DC can express CD25, they do not express the beta-chain of the IL-2 receptor, which is indispensable for the execution of IL-2 signaling.

 

前沿进展

 
 
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IL-2 R alpha靶点信息
英文全称:Interleukin-2 receptor alpha chain
中文全称:白细胞介素-2受体α链
种类:Homo sapiens
上市药物数量:4详情
临床药物数量:4详情
最高研发阶段:批准上市
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