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 >  Protein>Osteoprotegerin >TNB-H5220

Human Osteoprotegerin / TNFRSF11B Protein, His Tag

分子别名(Synonym)

TNFRSF11B,OCIF,OPG,Osteoprotegerin

表达区间及表达系统(Source)

Human Osteoprotegerin, His Tag (TNB-H5220) is expressed from human 293 cells (HEK293). It contains AA Glu 22 - Leu 401 (Accession # NP_002537).

Predicted N-terminus: Glu 22

Request for sequence

蛋白结构(Molecular Characterization)

Osteoprotegerin Structure

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

The protein has a calculated MW of 44.4 kDa. The protein migrates as 50-60 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.

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)

Osteoprotegerin SDS-PAGE

Human Osteoprotegerin, 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%.

 

活性(Bioactivity)-ELISA

Osteoprotegerin ELISA

Immobilized Human TNFSF11, Fc Tag (Cat. No. RAL-H5265) at 10 μg/mL (100 μL/well) can bind Human Osteoprotegerin, His Tag (Cat. No. TNB-H5220) with a linear range of 5-156 ng/mL (QC tested).

Protocol

Osteoprotegerin ELISA

Immobilized Human Osteoprotegerin, His Tag (Cat. No. TNB-H5220) at 5 μg/mL (100 μL/well) can bind Human TRAIL, Mouse IgG2a Fc Tag with a linear range of 0.5-16 ng/mL (Routinely tested).

Protocol

 

活性(Bioactivity)-BLI

Osteoprotegerin BLI

Loaded Human Osteoprotegerin, His Tag (Cat. No. TNB-H5220) on HIS1K Biosensor, can bind Human TRAIL with an affinity constant of 0.831 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

 

背景(Background)

Tumor necrosis factor receptor superfamily member 11B (TNFRSF11B) is also known as Osteoclastogenesis inhibitory factor (OCIF), Osteoprotegerin (OPG). TNFRSF11B is a secreted homodimer protein, which can interact with TNFSF10 and TNFSF11. TNFRSF11B acts as decoy receptor for TNFSF11/RANKL and thereby neutralizes its function in osteoclastogenesis. TNFRSF11B inhibits the activation of osteoclasts and promotes osteoclast apoptosis in vitro. Bone homeostasis seems to depend on the local ratio between TNFSF11 and TNFRSF11B. TNFSF10/TRAIL binding blocks the inhibition of osteoclastogenesis.

 

前沿进展

 
 
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Osteoprotegerin靶点信息
英文全称:Tumor necrosis factor ligand superfamily member 11
中文全称:肿瘤坏死因子配体超家族成员11
种类:Homo sapiens
上市药物数量:7详情
临床药物数量:27详情
最高研发阶段:批准上市
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