Structural determinants of vascular endothelial growth factor-D receptor binding and specificity. Leppänen, V., Jeltsch, M., Anisimov, A., Tvorogov, D., Aho, K., Kalkkinen, N., Toivanen, P., Ylä-Herttuala, S., Ballmer-Hofer, K., & Alitalo, K. Blood, 117(5):1507–1515, February, 2011. ![Structural determinants of vascular endothelial growth factor-D receptor binding and specificity [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Vascular endothelial growth factors (VEGFs) and their tyrosine kinase receptors (VEGFR-1-3) are central mediators of angiogenesis and lymphangiogenesis. VEGFR-3 ligands VEGF-C and VEGF-D are produced as precursor proteins with long N- and C-terminal propeptides and show enhanced VEGFR-2 and VEGFR-3 binding on proteolytic removal of the propeptides. Two different proteolytic cleavage sites have been reported in the VEGF-D N-terminus. We report here the crystal structure of the human VEGF-D Cys117Ala mutant at 2.9 Å resolution. Comparison of the VEGF-D and VEGF-C structures shows similar extended N-terminal helices, conserved overall folds, and VEGFR-2 interacting residues. Consistent with this, the affinity and the thermodynamic parameters for VEGFR-2 binding are very similar. In comparison with VEGF-C structures, however, the VEGF-D N-terminal helix was extended by 2 more turns because of a better resolution. Both receptor binding and functional assays of N-terminally truncated VEGF-D polypeptides indicated that the residues between the reported proteolytic cleavage sites are important for VEGF-D binding and activation of VEGFR-3, but not of VEGFR-2. Thus, we define here a VEGFR-2-specific form of VEGF-D that is angiogenic but not lymphangiogenic. These results provide important new insights into VEGF-D structure and function.
@article{leppanen_structural_2011,
title = {Structural determinants of vascular endothelial growth factor-{D} receptor binding and specificity},
volume = {117},
issn = {1528-0020},
url = {http://dx.doi.org/10.1182/blood-2010-08-301549},
doi = {10.1182/blood-2010-08-301549},
abstract = {Vascular endothelial growth factors (VEGFs) and their tyrosine kinase receptors (VEGFR-1-3) are central mediators of angiogenesis and lymphangiogenesis. VEGFR-3 ligands VEGF-C and VEGF-D are produced as precursor proteins with long N- and C-terminal propeptides and show enhanced VEGFR-2 and VEGFR-3 binding on proteolytic removal of the propeptides. Two different proteolytic cleavage sites have been reported in the VEGF-D N-terminus. We report here the crystal structure of the human VEGF-D Cys117Ala mutant at 2.9 Å resolution. Comparison of the VEGF-D and VEGF-C structures shows similar extended N-terminal helices, conserved overall folds, and VEGFR-2 interacting residues. Consistent with this, the affinity and the thermodynamic parameters for VEGFR-2 binding are very similar. In comparison with VEGF-C structures, however, the VEGF-D N-terminal helix was extended by 2 more turns because of a better resolution. Both receptor binding and functional assays of N-terminally truncated VEGF-D polypeptides indicated that the residues between the reported proteolytic cleavage sites are important for VEGF-D binding and activation of VEGFR-3, but not of VEGFR-2. Thus, we define here a VEGFR-2-specific form of VEGF-D that is angiogenic but not lymphangiogenic. These results provide important new insights into VEGF-D structure and function.},
number = {5},
urldate = {2012-09-22},
journal = {Blood},
author = {Leppänen, Veli-Matti and Jeltsch, Michael and Anisimov, Andrey and Tvorogov, Denis and Aho, Kukka and Kalkkinen, Nisse and Toivanen, Pyry and Ylä-Herttuala, Seppo and Ballmer-Hofer, Kurt and Alitalo, Kari},
month = feb,
year = {2011},
pmid = {21148085},
keywords = {Amino Acid Sequence, Animals, Cell Proliferation, Cells, Cultured, Crystallography, X-Ray, Humans, Hydrogen Bonding, Immunoenzyme Techniques, Immunoprecipitation, Mice, Models, Molecular, Molecular Sequence Data, Muscle, Skeletal, Mutagenesis, Site-Directed, Mutation, Protein Binding, Protein Conformation, Recombinant Proteins, Sequence Homology, Amino Acid, Vascular Endothelial Growth Factor Receptor-2, Vascular Endothelial Growth Factor Receptor-3, vascular endothelial growth factor C, vascular endothelial growth factor D},
pages = {1507--1515},
}
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VEGFR-3 ligands VEGF-C and VEGF-D are produced as precursor proteins with long N- and C-terminal propeptides and show enhanced VEGFR-2 and VEGFR-3 binding on proteolytic removal of the propeptides. Two different proteolytic cleavage sites have been reported in the VEGF-D N-terminus. We report here the crystal structure of the human VEGF-D Cys117Ala mutant at 2.9 Å resolution. Comparison of the VEGF-D and VEGF-C structures shows similar extended N-terminal helices, conserved overall folds, and VEGFR-2 interacting residues. Consistent with this, the affinity and the thermodynamic parameters for VEGFR-2 binding are very similar. In comparison with VEGF-C structures, however, the VEGF-D N-terminal helix was extended by 2 more turns because of a better resolution. Both receptor binding and functional assays of N-terminally truncated VEGF-D polypeptides indicated that the residues between the reported proteolytic cleavage sites are important for VEGF-D binding and activation of VEGFR-3, but not of VEGFR-2. Thus, we define here a VEGFR-2-specific form of VEGF-D that is angiogenic but not lymphangiogenic. 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Both receptor binding and functional assays of N-terminally truncated VEGF-D polypeptides indicated that the residues between the reported proteolytic cleavage sites are important for VEGF-D binding and activation of VEGFR-3, but not of VEGFR-2. Thus, we define here a VEGFR-2-specific form of VEGF-D that is angiogenic but not lymphangiogenic. 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