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Your Position: Home > Protein > VEGF R2 > VE2-HA224

APC-Labeled Human VEGF R2 / KDR Protein, His Tag (Site-specific conjugation)

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INTRODUCTION
QC & Assay Protocol
Citation & Background
  • Synonym
    KDR,CD309,FLK1,VEGFR,VEGFR2
  • Source
    APC-Labeled Human VEGF R2 Protein, His Tag (VE2-HA224) is produced via conjugation of APC to Human VEGF R2 Protein, His Tag with a new generation site-specific technology under optimal conditions with a proprietary technology. Human VEGF R2 Protein, His Tag is expressed from human 293 cells (HEK293). It contains AA Ala 20 - Glu 764 (Accession # AAI31823.1 ).
    Predicted N-terminus: Ala 20
    Request for sequence
  • Molecular Characterization
    VEGF R2 Structure

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

    The protein has a calculated MW of 85.9 kDa.

  • Conjugate

    APC

    Excitation Wavelength: 640 nm

    Emission Wavelength: 661 nm

  • Application
    Please note that this product is NOT compatible to streptavidin detection system.
  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, 0.5% BSA, 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 protect from light and 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.
Bioactivity-FACS
VEGF R2 FACS

5e5 of anti-VEGF R2 CAR-293 cells were stained with 100 μL of 1:50 dilution (2 μL stock solution in 100 μL FACS buffer) of APC-Labeled Human VEGF R2 Protein, His Tag (Cat. No. VE2-HA224) and negative control protein respectively. APC signal was used to evaluate the binding activity (QC tested).

Protocol
  • Background
    Kinase insert domain receptor (KDR) is also known as CD309, FLK1, VEGFR, VEGFR2, and is one of the subtypes of VEGFR. VEGF receptors are receptors for vascular endothelial growth factor (VEGF). There are three main subtypes of VEGFR, numbered 1, 2 and 3. The VEGF receptors have an extracellular portion consisting of 7 immunoglobulin-like domains, a single transmembrane spanning region and an intracellular portion containing a split tyrosine-kinase domain. VEGF-A binds to VEGFR-1 (Flt-1) and VEGFR-2 (KDR/Flk-1). VEGFR-2 appears to mediate almost all of the known cellular responses to VEGF.The function of VEGFR-1 is less well defined, although it is thought to modulate VEGFR-2 signaling. Another function of VEGFR-1 may be to act as a dummy/decoy receptor, sequestering VEGF from VEGFR-2 binding (this appears to be particularly important during vasculogenesis in the embryo). In addition, VEGFR2 is able to interact with HIV-1 extracellular Tat protein upon VEGF activation, and seems to enhance angiogenesis in Kaposi's sarcoma lesions.
  • Clinical and Translational Updates

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

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