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Your Position: Home > Protein > Angiopoietin-2 > AN2-H82E9

Biotinylated Human Angiopoietin-2 / ANGPT2 Protein, His,Avitag™

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  • Synonym
    ANGPT2,AGPT2,ANG2,Angiopoietin-2
  • Source
    Biotinylated Human Angiopoietin-2 Protein, His,Avitag(AN2-H82E9) is expressed from human 293 cells (HEK293). It contains AA Tyr 19 - Phe 496 (Accession # O15123-1 ).
  • Molecular Characterization
    Angiopoietin-2 Structure

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

    The protein has a calculated MW of 58.6 kDa. The protein migrates as 60-85 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Labeling
    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Protein Ratio
    Passed as determined by the HABA assay / binding ELISA.
  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 20 mM MOPS, 150 mM NaCl, 5 mM CHAPS, pH7.5 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:

    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
Angiopoietin-2 SDS-PAGE

Biotinylated Human Angiopoietin-2 Protein, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).

Bioactivity-ELISA
 Angiopoietin-2 ELISA

Immobilized Human TIE2, Fc Tag (Cat. No. TI2-H5255) at 5 μg/mL (100 μL/well) can bind Biotinylated Human Angiopoietin-2 Protein, His,Avitag (Cat. No. AN2-H82E9) with a linear range of 0.005-0.156 μg/mL (QC tested).

 Angiopoietin-2 ELISA

Immobilized Biotinylated Human Angiopoietin-2 Protein, His,Avitag (Cat. No. AN2-H82E9) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Human TIE2, Fc Tag (Cat. No. TI2-H5255) with a linear range of 0.039-1.25 μg/mL (Routinely tested).

  • Background
    Angiopoietin-2 is also known as ANGPT2, AGPT2, ANG2, and is a secreted glycoprotein that plays a complex role in angiogenesis and inflammation. Ang2 is widely expressed during development, but it is restricted postnatally to highly angiogenic tissues such as the placenta, ovaries, and uterus. It is particularly abundant in vascular endothelial cells (EC) where it is stored in intracellular Weibel Palade bodies. Both Ang2 and the related Angiopoietin1 (Ang1) are ligands for the receptor tyrosine kinase Tie 2. Ang2 functions as a proangiogenic factor, although it can also induce EC death and vessel regression. Upon its release from quiescent EC, it regulates vascular remodeling by promoting EC survival, proliferation, and migration and destabilizing the interaction between EC and perivascular cells. Ang2 is required for postnatal vascular remodeling, and it cooperates with Ang1 during lymphatic vessel development. It mediates the upregulation of ICAM1 and VCAM1 on EC, which facilitates the adhesion of leukocytes during inflammation. Ang2 competitively inhibit Ang1-induced endothelial cell responses mediated by Tie2, and reduces vascular integrity. But the role of Ang2 is controversial since the opposite outcomes has been reported in other studies. Over-expression of Ang2 disrupts the vascular remodeling, induce endothelial cell apoptosis, and may play an important regulating role in tumor angiogenesis. Ang2 also promotes the neuronal differentiation and migration of subventricular zone progenitor cells.
  • Clinical and Translational Updates

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  • Number of Drugs in Clinical Trials:12 Details
  • Latest Research Phase:Approved

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