Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot, ELISA Detection (Matched Antibody Pair)

Cited:

Western Blot, Flow Cytometry, ELISA Detection, ELISA Development (Detection), TaqMan Protein Assay

Label

Biotin

Antibody Source

Polyclonal Goat IgG
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Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human VEGFR2/KDR/Flk-1
Ala20-Glu764
Accession # AAC16450

Specificity

Detects human VEGFR2/KDR/Flk-1 in ELISAs and Western blots. In sandwich immunoassays, less than 0.5% cross-reactivity with recombinant mouse VEGFR2 is observed and less than 0.2% cross-reactivity with recombinant human (rh) VEGFR3 and rhVEGFR1 is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Human VEGFR2/KDR/Flk‑1 Biotinylated Antibody

Detection of Human VEGFR2/KDR/Flk-1 by ELISA

Detection of Human VEGFR2/KDR/Flk-1 by ELISA

Humoral response in pre-clinical models. Specific IgG antibodies were detected by ELISA using GST-hVEGF as coating antigen (a, b, d and f). The ability of animal sera antibodies to block VEGF/VEGFR2 interaction was determined using a competitive ELISA, where a soluble VEGFR2 competes with diluted serum in plates coated with GST-hVEGF (c, e and g). CIGB-247 combinations using VSSP or aluminum phosphate as adjuvants were administered weekly (eight vaccinations) or bi-weekly (four vaccinations) respectively. Horizontal bars represent the mean values of antibody titer or blocking activity, which are shown for each group. p-Values were calculated according to unpaired t-test. Reference dose (A + V): 400 μg of antigen + 200 μg of VSSP; (¼Ag + ½ V): 100 μg of antigen + 100 μg of VSSP; (¼Ag + V): 100 μg of antigen + 200 μg of VSSP; (Ag + Al): 400 μg of antigen + aluminum phosphate Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/28747172), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Human VEGFR2/KDR/Flk-1 by ELISA

Detection of Human VEGFR2/KDR/Flk-1 by ELISA

Humoral response in pre-clinical models. Specific IgG antibodies were detected by ELISA using GST-hVEGF as coating antigen (a, b, d and f). The ability of animal sera antibodies to block VEGF/VEGFR2 interaction was determined using a competitive ELISA, where a soluble VEGFR2 competes with diluted serum in plates coated with GST-hVEGF (c, e and g). CIGB-247 combinations using VSSP or aluminum phosphate as adjuvants were administered weekly (eight vaccinations) or bi-weekly (four vaccinations) respectively. Horizontal bars represent the mean values of antibody titer or blocking activity, which are shown for each group. p-Values were calculated according to unpaired t-test. Reference dose (A + V): 400 μg of antigen + 200 μg of VSSP; (¼Ag + ½ V): 100 μg of antigen + 100 μg of VSSP; (¼Ag + V): 100 μg of antigen + 200 μg of VSSP; (Ag + Al): 400 μg of antigen + aluminum phosphate Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/28747172), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Human VEGFR2/KDR/Flk-1 by ELISA

Detection of Human VEGFR2/KDR/Flk-1 by ELISA

Humoral response in pre-clinical models. Specific IgG antibodies were detected by ELISA using GST-hVEGF as coating antigen (a, b, d and f). The ability of animal sera antibodies to block VEGF/VEGFR2 interaction was determined using a competitive ELISA, where a soluble VEGFR2 competes with diluted serum in plates coated with GST-hVEGF (c, e and g). CIGB-247 combinations using VSSP or aluminum phosphate as adjuvants were administered weekly (eight vaccinations) or bi-weekly (four vaccinations) respectively. Horizontal bars represent the mean values of antibody titer or blocking activity, which are shown for each group. p-Values were calculated according to unpaired t-test. Reference dose (A + V): 400 μg of antigen + 200 μg of VSSP; (¼Ag + ½ V): 100 μg of antigen + 100 μg of VSSP; (¼Ag + V): 100 μg of antigen + 200 μg of VSSP; (Ag + Al): 400 μg of antigen + aluminum phosphate Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/28747172), licensed under a CC-BY license. Not internally tested by R&D Systems.

Applications for Human VEGFR2/KDR/Flk‑1 Biotinylated Antibody

Application
Recommended Usage

Western Blot

0.1 µg/mL
Sample: Recombinant Human VEGFR2/KDR/Flk‑1 Fc Chimera (Catalog # 357-KD)

Human VEGFR2/KDR Sandwich Immunoassay

ELISA Detection (Matched Antibody Pair)
Recommended Concentration: 0.1-0.4 µg/mL
Use in combination with these reagents:
  • Capture Reagent: Human VEGFR2/KDR/Flk-1 Antibody (Catalog # MAB3573)
  • Standard: Recombinant Human VEGFR2/KDR Fc Chimera Protein (Catalog # 357-KD)
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.


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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.

Shipping

The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: VEGFR2/KDR/Flk-1

VEGFR2 (KDR/Flk-1), VEGFR1 (Flt-1) and VEGFR3 (Flt-4) belong to the class III subfamily of receptor tyrosine kinases (RTKs). All three receptors contain seven immunoglobulin-like repeats in their extracellular domains and kinase insert domains in their intracellular regions. The expression of VEGFR1, 2, and 3 is almost exclusively restricted to the endothelial cells. These receptors are likely to play essential roles in vasculogenesis and angiogenesis.

VEGFR2 cDNA encodes a 1356 amino acid (aa) residue precursor protein with a 19 aa residue signal peptide. Mature VEGFR2 is composed of a 745 aa residue extracellular domain, a 25 aa residue transmembrane domain and a 567 aa residue cytoplasmic domain. In contrast to VEGFR1 which binds both PlGF and VEGF with high affinity, VEGFR2 binds VEGF but not PlGF with high affinity.

References

  1. Ferra, N. and R. Davis-Smyth (1997) Endocrine Reviews 18:4.

Long Name

Vascular Endothelial Growth Factor Receptor 2

Alternate Names

CD309, Flk-1, Flk1, KDR, KRD1, Ly73, VEGF R2

Entrez Gene IDs

3791 (Human); 16542 (Mouse)

Gene Symbol

KDR

UniProt

Additional VEGFR2/KDR/Flk-1 Products

Product Documents for Human VEGFR2/KDR/Flk‑1 Biotinylated Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human VEGFR2/KDR/Flk‑1 Biotinylated Antibody

For research use only

Citations for Human VEGFR2/KDR/Flk‑1 Biotinylated Antibody

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