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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

蛋白结构(Molecular Characterization)

Online(Pro 22 - Ala 207) P49765-1

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

The protein has a calculated MW of 20.3 kDa. The protein migrates as 15 kDa and 30-35 kDa under reducing (R) condition (SDS-PAGE).

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. 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 VEGF-B, His Tag (Cat. No. VE6-H5225) SDS-PAGE gel

Human VEGF-B, His Tag 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 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

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

 
货号/价格

VE6-H5225-20ug / ¥1800

VE6-H5225-50ug / ¥3500

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