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 >  Protein>B7-H3 >B73-H52E2

Human B7-H3 / CD276 Protein, His Tag (MALS verified)

分子别名(Synonym)

B7-H3,CD276,B7 homolog 3

表达区间及表达系统(Source)

Human B7-H3 Protein, His Tag (B73-H52E2) is expressed from human 293 cells (HEK293). It contains AA Leu 29 - Pro 245 (Accession # Q5ZPR3-2 ).

Predicted N-terminus: Leu 29

Request for sequence

蛋白结构(Molecular Characterization)

B7-H3 Structure

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

The protein has a calculated MW of 25.2 kDa. The protein migrates as 35-45 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)

>95% as determined by SDS-PAGE.

>90% as determined by SEC-MALS.

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 24 months in lyophilized state;
  2. -70°C for 24 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

B7-H3 SDS-PAGE

Human B7-H3 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 95%.

SEC-MALS

B7-H3 SEC-MALS

The purity of Human B7-H3 Protein, His Tag (Cat. No. B73-H52E2) is more than 90% and the molecular weight of this protein is around 30-40 kDa verified by SEC-MALS.

Report

 

活性(Bioactivity)-ELISA

B7-H3 ELISA

Immobilized Human B7-H3, His Tag (Cat. No. B73-H52E2) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-Human B7-H3 / B7-H3 (4Ig) Antibody, Human IgG1 with a linear range of 0.3-5 ng/mL (QC tested).

Protocol

B7-H3 ELISA

Immobilized Monoclonal Anti-Human B7-H3 / B7-H3 (4Ig) Antibody, Human IgG1 at 2 μg/mL (100 μL/well) can bind Human B7-H3, His Tag (Cat. No. B73-H52E2) with a linear range of 0.01-0.156 μg/mL (Routinely tested).

Protocol

 

活性(Bioactivity)-Bioactivity CELL BASE

B7-H3 CELL

Human B7-H3, His Tag (Cat. No. B73-H52E2) inhibits Anti-CD3-induced proliferation of PBMC. The EC50 for this effect is 2.24-3.36 μg/mL (Routinely tested).

Protocol

 

背景(Background)

B7 homolog 3 (B7-H3), a member of the immunoglobulin superfamily, is also known CD276, which contains two Ig-like C2-type (immunoglobulin-like) domains and two Ig-like V-type (immunoglobulin-like) domains. B7-H3 may participate in the regulation of T-cell-mediated immune response. B7-H3 also plays a protective role in tumor cells by inhibiting natural-killer mediated cell lysis as well as a role of marker for detection of neuroblastoma cells. Furthermore, B7-H3 is involved in the development of acute and chronic transplant rejection and in the regulation of lymphocytic activity at mucosal surfaces. It could also play a key role in providing the placenta and fetus with a suitable immunological environment throughout pregnancy.

文献引用(Citations)

 

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B7-H3靶点信息
英文全称:CD276 antigen
中文全称:CD276抗原
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:35详情
最高研发阶段:申请上市
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