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 >  Protein>PD-1 >PD1-H52H6

Human PD-1 / PDCD1 Full Length Protein, His Tag

分子别名(Synonym)

PDCD1,PD1,CD279,SLEB2

表达区间及表达系统(Source)

Human PD-1 Full Length, His Tag (PD1-H52H6) is expressed from human 293 cells (HEK293). It contains AA Leu 25 - Leu 288 (Accession # Q15116-1).

Predicted N-terminus: Leu 25

Request for sequence

蛋白结构(Molecular Characterization)

Online(Leu 25 - Leu 288) Q15116-1

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

The protein has a calculated MW of 30.7 kDa. The protein migrates as 40-120 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)

>80% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM NaCl, pH8.0 with detergent. 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)

Human PD-1 Full Length, His Tag (Cat. No. PD1-H52H6) SDS-PAGE gel

Human PD-1 Full Length, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 80%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Human PD-1 Full Length, His Tag (Cat. No. PD1-H52H6) at 0.2 μg/mL (100 μL/well) can bind Nivolumab with a linear range of 0.4-3 ng/mL (QC tested).

Protocol

Biotinylated Human  ELISA

Serial dilutions of nivolumab were added into Human PD-1 Full Length, His Tag (Cat. No. PD1-H52H6) : Human PD-L1, Mouse IgG1 Fc Tag, low endotoxin (Cat. No. PD1-H52A3) binding reactions. The half maximal inhibitory concentration (IC50) is 0.14891 (QC tested).

Protocol

Biotinylated Human ELISA

Immobilized Human PD-1 Full Length, His Tag (Cat. No. PD1-H52H6) at 0.2 μg/mL (100 μL/well) can bind Human PD-L1, Mouse IgG1 Fc Tag, low endotoxin (Cat. No. PD1-H52A3) with a linear range of 0.01-0.313 μg/mL (Routinely tested).

Protocol

Biotinylated Human ELISA

Immobilized Human PD-1 Full Length, His Tag (Cat. No. PD1-H52H6) at 0.2 μg/mL (100 μL/well) can bind Human PD-L2, Mouse IgG1 Fc Tag (Cat. No. PD2-H52A5) with a linear range of 0.5-8 ng/mL (Routinely tested).

Protocol

背景(Background)

Programmed cell death protein 1 (PD-1) is also known as CD279 and PDCD1, is a type I membrane protein and is a member of the extended CD28/CTLA-4 family of T cell regulators. PDCD1 is expressed on the surface of activated T cells, B cells, macrophages, myeloid cells and a subset of thymocytes. PD-1 has two ligands, PD-L1 and PD-L2, which are members of the B7 family. PD-L1 is expressed on almost all murine tumor cell lines, including PA1 myeloma, P815 mastocytoma, and B16 melanoma upon treatment with IFN-γ. PD-L2 expression is more restricted and is expressed mainly by DCs and a few tumor lines. PD1 inhibits the T-cell proliferation and production of related cytokines including IL-1, IL-4, IL-10 and IFN-γ by suppressing the activation and transduction of PI3K/AKT pathway. In addition, coligation of PD1 inhibits BCR-mediating signal by dephosphorylating key signal transducer. In vitro, treatment of anti-CD3 stimulated T cells with PD-L1-Ig results in reduced T cell proliferation and IFN-γ secretion. Monoclonal antibodies targeting PD-1 that boost the immune system are being developed for the treatment of cancer.

 

 

前沿进展

 
 
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PD-1靶点信息
英文全称:Programmed cell death protein 1
中文全称:细胞程序性死亡-1
种类:Homo sapiens
上市药物数量:17详情
临床药物数量:141详情
最高研发阶段:批准上市
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