Product Details
Features and Advantages
- Seamless Transition from Preclinical to Clinical: Same cell clone, process, and QC as GMP products.
- Enhanced Production Standards: AOF raw materials, pharma-grade excipients, Grade B+A (ISO 5) environment.
- Comprehensive Quality Control: Additional strict testing for process impurities, sterility, and mycoplasma.
- Cost-Effective Solution: GMP-comparable quality at an economical price for early development.
- Risk Mitigation: Enhanced safety through rigorous impurity control and comprehensive testing.
Synonym
RP1-261G23.1, MGC70609, MVCD1, VEGFA, VPF
Source
Human VEGF165, premium grade (VE5-H4210) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Arg 191 (Accession # P15692-4).
Predicted N-terminus: Ala 27
It is produced under our rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests. Product performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage.
GMP-VE5H23 is the GMP version of this VE5-H4210. These two proteins display indistinguishable performance profiles, thereby ensuring a seamless transition for end users from early preclinical stage to later clinical phases.Request for sequenceMolecular Characterization

Other Tags and Version Biotin & Other Labeled Version
This protein carries no "tag".
The protein has a calculated MW of 19.2 kDa. The protein migrates as 24 kDa±3 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Host Cell Protein
<0.5 ng/µg of protein tested by ELISA.
Host Cell DNA
<0.02 ng/μg of protein tested by qPCR.
Sterility
Negative
Mycoplasma
Negative
Purity
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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:
- -20°C to -70°C for 24 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
ACRO Quality Management System
Quality Description
ACRO's Research-grade products are suitable for a wide range of cell culture applications, particularly for research use in academic institutions. These products are sterilized by filtration, followed by lyophilization where applicable. Typical specifications include endotoxin levels of <0.01 EU/μg and purities >95%. Biological activity is calibrated against WHO/NIBSC standards when available.
ACRO's Premium-grade (Pre-GMP) products are characterized by their high quality and enhanced safety profiles, making them ideal for early-stage discovery and manufacturing processes in cell therapy companies. A key advantage is their seamless transition to corresponding GMP-grade versions. Biological activity is calibrated against WHO/NIBSC standards when available. Typical specifications include endotoxin levels of <0.01 EU/μg and purities >95%. In addition, rigorous testing is conducted to ensure the absence of mycoplasma, HCD, and HCP, thereby guaranteeing product safety.
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Performance Data
SDS-PAGE

Human VEGF165, premium grade on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS

The purity of Human VEGF165, premium grade (Cat. No. VE5-H4210) is more than 95% and the molecular weight of this protein is around 42-60 kDa verified by SEC-MALS.
Report
Bioactivity-CELL BASE

Human VEGF165, premium grade (Cat. No. VE5-H4210) stimulates 293-NFAT/Luc-VEGFR2 cells. The specific activity of Human VEGF165, premium grade is > 8.00 x 10^5 IU/mg, which is calibrated against human vascular endothelial growth factor 165 WHO International Standard (NIBSC code: 02/286) (QC tested).
Protocol
Inhibition assay shows that the proliferation effect of Human VEGF165, premium grade (Cat. No. VE5-H4210) is inhibited by increasing concentration of anti-VEGF mAb (Avastin). The concentration of VEGF165 used is 20 ng/mL. The ED50 is 0.065-0.229 μg/mL (Routinely tested).
Protocol
Response to human VEGF165 protein (Fold).
The VEGFR2 (Luc) HEK293 Reporter Cell was stimulated with serial dilutions of human VEGF165 protein (AcroBiosystems, Cat. No. VE5-H4210). The max induction fold was approximately 70 (Routinely tested).Protocol
Bioactivity-ELISA

Immobilized Human VEGF165, premium grade (Cat. No. VE5-H4210) at 0.1 μg/mL (100 μL/well) can bind Human VEGF R1 Protein, His Tag (Cat. No. VE1-H52H9) with a linear range of 4-31 ng/mL (QC tested).
Protocol
Immobilized Human VEGF165, premium grade (Cat. No. VE5-H4210) at 2 μg/mL (100 μL/well) can bind Biotinylated Human VEGF R2, Avitag,His Tag (Cat. No. KDR-H82E5) with a linear range of 10-156 ng/mL (Routinely tested).
Protocol
Immobilized Human VEGF165, premium grade (Cat. No. VE5-H4210) at 2 μg/mL (100 μL/well) can bind pre-mixed increasing concentrations of Bevacizumab and 0.5 μg/mL (100 μL/well) Biotinylated Human VEGF R2, Avitag,His Tag (Cat. No. KDR-H82E5) with a half maximal inhibitory concentration (IC50) of 0.70 μg/mL (Routinely tested).
Protocol
Bioactivity-SPR

Anti-VEGFA Antibody, Human IgG1 captured on Protein A Chip can bind Human VEGF165, premium grade (Cat. No. VE5-H4210) with an affinity constant of 0.103 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
Bioactivity-BLI

Loaded bind Anti-VEGFA Antibody, Human IgG1 on AHC2 Biosensor, can bind Human VEGF165, premium grade (Cat. No. VE5-H4210) with an affinity constant of 53.8 pM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Loaded bind Human NRP1, Fc Tag (Cat. No. NR1-H5252) on Protein A Biosensor, can bind Human VEGF165, premium grade (Cat. No. VE5-H4210) with an affinity constant of 17.3 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Bioactivity-Stability

Cell-based assay demonstrates batch-to-batch consistency between Acro's GMP and PG VEGF165.
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Background
Recent Advances
- English Name:
Vascular endothelial growth factor A
- Category:
- Approved Drugs:
54 Details
- Drugs in Clinical Trials:
61 Details
- Highest Development Stage:
Approved
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