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 >  Protein>B7-H2 >B72-C52Hb

Cynomolgus B7-H2 / ICOSLG Protein, His Tag

分子别名(Synonym)

ICOSLG,B7-H2,B7H2,B7RP-1,B7RP1,CD275,GL50,ICOS-L,ICOSL,LICOS,ICOS ligand

表达区间及表达系统(Source)

Cynomolgus B7-H2, His Tag (B72-C52Hb) is expressed from human 293 cells (HEK293). It contains AA Asp 19 - Thr 256 (Accession # XP_005548617.1).

Predicted N-terminus: Asp 19

Request for sequence

蛋白结构(Molecular Characterization)

B7-H2 Structure

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

The protein has a calculated MW of 28.5 kDa. The protein migrates as 40-55 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)

B7-H2 SDS-PAGE

Cynomolgus B7-H2, 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

B7-H2 ELISA

Immobilized Human ICOS, Fc Tag (Cat. No. ICS-H5258) at 1 μg/mL (100 μL/well) can bind Cynomolgus B7-H2, His Tag (Cat. No. B72-C52Hb) with a linear range of 0.6-20 ng/mL (QC tested).

Protocol

 

背景(Background)

ICOS ligand (ICOSLG) is also known as B7 homolog 2 (B7-H2), B7-related protein 1 (B7RP-1) and CD antigen CD275, which belongs to the immunoglobulin superfamily and BTN/MOG family. ICOSLG contains one Ig-like C2-type (immunoglobulin-like) domain and one Ig-like V-type (immunoglobulin-like) domain. Isoform 1 is widely expressed, while isoform 2 is detected only in lymph nodes, leukocytes and spleen. B7-H2 is ligand for the T-cell-specific cell surface receptor ICOS. B7-H2 acts as a costimulatory signal for T-cell proliferation and cytokine secretion and induces also B-cell proliferation and differentiation into plasma cells. B7-H2 could play an important role in mediating local tissue responses to inflammatory conditions, as well as in modulating the secondary immune response by co-stimulating memory T-cell function.

 

前沿进展

 
 
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B7-H2靶点信息
英文全称:ICOS ligand
中文全称:ICOS配体
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:1详情
最高研发阶段:临床二期
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