VEGFA (Human) Recombinant Protein
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Specification
Product Description
Human VEGFA (VEGF165) recombinant protein with polyhistidine tag at the C-terminus expressed in Escherichia coli.
Sequence
MAPMAEGGGQNHHEVVKFMDVYQRSYCHPIETLVDIFQEYPDEIEYIFKPSCVPLMRCGGCCNDEGLECVPTEESNITMQIMRIKPHQGQHIGEMSFLQHNKCECRPKKDRARQENPCGPCSERRKHLFVQDPQTCKCSCKNTDSRCKARQLELNERTCRCDKPRR with polyhistidine tag at the C-terminus.
Host
Escherichia coli
Form
Lyophilized
Preparation Method
Escherichia coli expression system
Purification
Ni-NTA chromatography
Purity
> 98% as determined by SDS-PAGE.
Endotoxin Level
< 0.1 EU/ ug of protein by the LAL method.
Activity
ED50 < 5 ng/mL, Measured by the induction of HUVEC cells proliferation. The specific activity of recombinant human VEGF165 is > 1.4 x 106 IU/mg.
Quality Control Testing
SDS-PAGE Stained with Coomassie Blue.
SDS-PAGE analysis of VEGFA (Human) Recombinant Protein.
Recommend Usage
Biological Activity
SDS-PAGE
The optimal working dilution should be determined by the end user.Storage Buffer
Lyophilized from a solution containing 1X PBS, pH 8.0. Reconstitute the lyophilized powder in ddH2O to 100 ug/mL.
Storage Instruction
Lyophilized protein should be stored at -20°C. Protein aliquots should be stored at-20°C to -80°C. This product is stable for one year.
Avoid repeated freeze/thaw cycles.Note
Result of activity analysis
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Applications
Functional Study
SDS-PAGE
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Gene Info — VEGFA
Entrez GeneID
7422Gene Name
VEGFA
Gene Alias
MGC70609, VEGF, VEGF-A, VPF
Gene Description
vascular endothelial growth factor A
Gene Ontology
HyperlinkGene Summary
This gene is a member of the PDGF/VEGF growth factor family and encodes a protein that is often found as a disulfide linked homodimer. This protein 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. Elevated levels of this protein is linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy. Alternatively spliced transcript variants, encoding either freely secreted or cell-associated isoforms, have been characterized. There is also evidence for the use of non-AUG (CUG) translation initiation sites upstream of, and in-frame with the first AUG, leading to additional isoforms. [provided by RefSeq
Other Designations
vascular endothelial growth factor isoform VEGF165|vascular permeability factor
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Interactome
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