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 >  Protein>4-1BB >41B-H52H9

Human 4-1BB / TNFRSF9 (24-86) Protein, His Tag

分子别名(Synonym)

TNFRSF9,4-1BB,CD137,CDw137,ILA

表达区间及表达系统(Source)

Human 4-1BB (24-86) Protein, His Tag (41B-H52H9) is expressed from human 293 cells (HEK293). It contains AA Leu 24 - Cys 86 (Accession # Q07011-1).

Predicted N-terminus: Leu 24

Request for sequence

蛋白结构(Molecular Characterization)

4-1BB Structure

This protein carries a polyhistidine tag at the C-terminus

The protein has a calculated MW of 8.7 kDa. The protein migrates as 13 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 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:

  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)

4-1BB SDS-PAGE

Human 4-1BB (24-86) Protein, His 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)-ELISA

4-1BB ELISA

Immobilized Human 4-1BB / TNFRSF9 (24-86), His Tag (Cat. No. 41B-H52H9) at 2 μg/mL (100 μL/well) can bind UreluMab, Human IgG4 with a linear range of 0.1-2 ng/mL (QC tested).

Protocol

 

背景(Background)

4-1BB is also known as CD137, tumor necrosis factor receptor superfamily member 9 (TNFRSF9), induced by lymphocyte activation (ILA), is a co-stimulatory molecule of the tumor necrosis factor (TNF) receptor superfamily. CD137 can be expressed by activated T cells, but to a larger extent on CD8 than on CD4 T cells. In addition, CD137 expression is found on dendritic cells, follicular dendritic cells, natural killer cells, granulocytes and cells of blood vessel walls at sites of inflammation. The best characterized activity of CD137 is its costimulatory activity for activated T cells. Crosslinking of CD137 enhances T cell proliferation, IL-2 secretion survival and cytolytic activity. Further, it can enhance immune activity to eliminate tumors in mice. CD137 can enhance activation-induced T cell apoptosis when triggered by engagement of the TCR/CD3 complex. In addition, 4-1BB/4-1BBL co-stimulatory pathway has been shown to augment secondary CTL responses to several viruses, and meanwhile augment anti-tumor immunity. 4-1BB thus is a promising candidate for immunotherapy of human cancer. CD137 has been shown to interact with TRAF2.

文献引用(Citations)

 

前沿进展

 
 
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4-1BB靶点信息
英文全称:Tumor necrosis factor receptor superfamily member 9
中文全称:肿瘤坏死因子受体超家族成员9
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:71详情
最高研发阶段:临床三期
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