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Your Position: Home > Cytokines > VEGF164 > VE4-M82Q3

Biotinylated Mouse VEGF164 Protein, His,Avitag™

INTRODUCTION
QC & Assay Protocol
Citation & Background
  • Synonym
    RP1-261G23.1,MGC70609,MVCD1,VEGFA,VPF
  • Source
    Biotinylated Mouse VEGF164, His,Avitag (VE4-M82Q3) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Arg 190 (Accession # Q00731-2).
    Predicted N-terminus: His
    Request for sequence
  • Molecular Characterization
    Online(Ala 27 - Arg 190) Q00731-2

    This protein carries a polyhistidine tag at the N-terminus, followed by an Avi tag (Avitag™).

    The protein has a calculated MW of 22.5 kDa. As a result of different glycosylation, the protein migrates as 28-33 kDa under reducing (R) condition, and 46-60 kDa under non-reducing (NR) condition (SDS-PAGE).

  • Biotinylation
    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Biotin:Protein Ratio
    The biotin to protein ratio is 0.5-1 as determined by the HABA assay.
  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • 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.

  • 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.

  • 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.
SDS-PAGE
Biotinylated Mouse VEGF164, His,Avitag (Cat. No. VE4-M82Q3) SDS-PAGE gel

Biotinylated Mouse VEGF164, His,Avitag on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity-ELISA
Biotinylated Mouse VEGF164, His,AvitagBiotinylated Mouse VEGF164, His,Avitag (Cat. No. VE4-M82Q3) ELISA bioactivity

Immobilized VEGFR1/R2, Fc Tag at 2 μg/mL (100 μL/well) can bind Biotinylated Mouse VEGF164, His,Avitag (Cat. No. VE4-M82Q3) with a linear range of 0.02-0.5 ng/mL (QC tested).

Protocol
Biotinylated Mouse VEGF164, His,AvitagBiotinylated Mouse VEGF164, His,Avitag (Cat. No. VE4-M82Q3) ELISA bioactivity

Immobilized Human VEGF R1, His Tag (Cat. No. VE1-H5220) at 2 μg/mL (100 μL/well) can bind Biotinylated Mouse VEGF164, His,Avitag (Cat. No. VE4-M82Q3) with a linear range of 0.2-2 ng/mL (Routinely tested).

Protocol
  • Background
    Vascular endothelial growth factor A (VEGFA) is also known as Vascular permeability factor (VPF). VEGFA belongs to the PDGF/VEGF growth factor family. VEGFA is a glycosylated mitogen that specifically acts on endothelial cells and has various effects, including mediating increased vascular permeability, inducing angiogenesis, vasculogenesis and endothelial cell growth, promoting cell migration, and inhibiting apoptosis. Alternatively spliced transcript variants, encoding either freely secreted or cell-associated isoforms, have been characterized. VEGFA is produced by a group of three major isoforms as a result of alternative splicing and if any three isoforms are produced (VEGFA120, VEGFA164, and VEGFA188) then this will not result in vessel defects and death of the full VEGFA knockout in mice.
  • References

  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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