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Human BAFFR / TNFRSF13C Protein, Llama IgG2b Fc Tag, low endotoxin

分子别名(Synonym)

BAFFR,TNFRSF13C,BROMIX,CD268,CVID4,prolixin,BAFF-R

表达区间及表达系统(Source)

Human BAFFR, Llama IgG2b Fc Tag, low endotoxin (BAR-H5258) is expressed from human 293 cells (HEK293). It contains AA Ser 7 - Ala 71 (Accession # Q96RJ3-1).

Predicted N-terminus: Ser 7

蛋白结构(Molecular Characterization)

Online(Ser 7 - Ala 71) Q96RJ3-1

This protein carries a llama IgG2b Fc tag at the C-terminus.

The protein has a calculated MW of 34.4 kDa. The protein migrates as 42-55 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 0.01 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 Tris with Glycine, Arginine and NaCl, pH7.5. 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 BAFFR, Llama IgG2b Fc Tag, low endotoxin (Cat. No. BAR-H5258) SDS-PAGE gel

Human BAFFR, Llama IgG2b Fc Tag, low endotoxin 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 Human BAFF, His Tag (Cat. No. BAF-H5248) at 2 μg/mL (100 μL/well) can bind Human BAFFR, Llama IgG2b Fc Tag, low endotoxin (Cat. No. BAR-H5258) with a linear range of 2-63 ng/mL (QC tested).

Protocol

Biotinylated Human  ELISA

Immobilized Human BAFFR, Llama IgG2b Fc Tag, low endotoxin (Cat. No. BAR-H5258) at 2 μg/mL (100 μL/well) can bind Biotinylated Human BAFF, His,Avitag (Cat. No. BAF-H82Q2) with a linear range of 0.2-4 ng/mL (Routinely tested).

Protocol

Biotinylated Human ELISA

Immobilized Human BAFFR, Llama IgG2b Fc Tag, low endotoxin (Cat. No. BAR-H5258) at 1 μg/mL (100 μL/well) can bind Anti-BAFFR Antibody, Human IgG1 with a linear range of 0.2-5 ng/mL (QC tested).

Protocol

Biotinylated Human ELISA

Serial dilutions of Anti-BAFFR Antibody, Human IgG1 were added into Human BAFFR, Llama IgG2b Fc Tag, low endotoxin (Cat. No. BAR-H5258): Biotinylated Human BAFF, His,Avitag (active trimer) (MALS verified) (Cat. No. BAF-H82Q2) binding reactions. The half maximal inhibitory concentration (IC50) is 1.1323 μg/mL (Routinely tested).

Protocol

Please note that there may be a cross-reaction between anti-human IgG Fc antibodies and llama IgG Fc tag, also between anti-llama IgG Fc antibodies and human IgG Fc tag.

活性(Bioactivity)-SPR

Biotinylated Human SPR

Immobilized Human BAFF, Fc Tag, active trimer (Cat. No. BAF-H5261) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human BAFFR, Llama IgG2b Fc Tag, low endotoxin (Cat. No. BAR-H5258) with an affinity constant of 44.5 nM as determined in a SPR assay (Biacore T200) (Routinely tested).

Protocol

 

背景(Background)

BAFF receptor (B-cell activating factor receptor, BAFF-R), also known as tumor necrosis factor receptor superfamily member 13C (TNFRSF13C), is a membrane protein of the TNF receptor superfamily which recognizes BAFF. B-cell activating factor (BAFF) enhances B-cell survival in vitro and is a regulator of the peripheral B-cell population. Overexpression of BAFF in mice results in mature B-cell hyperplasia and symptoms of systemic lupus erythematosus (SLE). Also, some SLE patients have increased levels of BAFF in serum. Therefore, it has been proposed that abnormally high levels of BAFF may contribute to the pathogenesis of autoimmune diseases by enhancing the survival of autoreactive B cells.

 

前沿进展

 
货号/价格

BAR-H5258-100ug / ¥3500

BAR-H5258-1mg (500ug X 2) / ¥23100

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BAFFR靶点信息
英文全称:B-cell activating factor receptor
中文全称:B细胞活化因子受体
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:2详情
最高研发阶段:临床三期
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