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 >  Protein>VEGF-B >VE6-H5225

Human VEGF-B Protein, His Tag

分子别名(Synonym)

VRF,VEGFL,VEGFB,VEGF-B

表达区间及表达系统(Source)

Human VEGF-B, His Tag (VE6-H5225) is expressed from human 293 cells (HEK293). It contains AA Pro 22 - Ala 207 (Accession # P49765-1).

Predicted N-terminus: Pro 22

Request for sequence

蛋白结构(Molecular Characterization)

VEGF-B Structure

This protein carries a polyhistidine tag at the C-terminus

The protein has a calculated MW of 20.3 kDa. The protein migrates as 16 kDa and 34-40 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)

VEGF-B SDS-PAGE

Human VEGF-B, 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

VEGF-B ELISA

Immobilized Human VEGF-B, His Tag (Cat. No. VE6-H5225) at 2 μg/mL (100 μL/well) can bind Biotinylated Human VEGF R1 with a linear range of 2-32 ng/mL (QC tested).

Protocol

 

活性(Bioactivity)-SPR

VEGF-B SPR

Human NRP1, Fc Tag (Cat. No. NR1-H5252) captured on Protein A Chip can bind Human VEGF-B, His Tag (Cat. No. VE6-H5225) with an affinity constant of 23.8 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).

Protocol

VEGF-B SPR

Human VEGF R1 Protein, Fc Tag (Cat. No. VE1-H5253) captured on Protein A Chip can bind Human VEGF-B, His Tag (Cat. No. VE6-H5225) with an affinity constant of 0.52 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).

Protocol

 

背景(Background)

Vascular endothelial growth factor B (VEGFB) is also known as VEGF-related factor (VRF), is a secreted O-glycosylated protein, which belongs to the PDGF/VEGF growth factor family. VEGFB is expressed in all tissues except liver. Highest levels found in heart, skeletal muscle and pancreas. VEGFB is growth factor for endothelial cells. VEGF-B seems to play a role only in the maintenance of newly formed blood vessels during pathological conditions. VEGF-B also plays an important role on several types of neurons. It is important for the protection of neurons in the retina and the cerebral cortex during stroke and of motoneurons during motor neuron diseases such as amyotrophic lateral sclerosis.VEGF-B167 binds heparin and neuropilin-1 whereas the binding to neuropilin-1 of VEGF-B186 is regulated by proteolysis.

 

前沿进展

 
 
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VEGF-B靶点信息
英文全称:Vascular endothelial growth factor B
中文全称:血管内皮生长因子B
种类:Homo sapiens
上市药物数量:1详情
临床药物数量:2详情
最高研发阶段:批准上市
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