7ll8

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Current revision (15:53, 18 October 2023) (edit) (undo)
 
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====
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==D-Protein RFX-V1 Bound to the VEGFR1 Domain 2 Site on VEGF-A==
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<StructureSection load='7ll8' size='340' side='right'caption='[[7ll8]]' scene=''>
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<StructureSection load='7ll8' size='340' side='right'caption='[[7ll8]], [[Resolution|resolution]] 2.31&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id= OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol= FirstGlance]. <br>
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<table><tr><td colspan='2'>[[7ll8]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7LL8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7LL8 FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7ll8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7ll8 OCA], [https://pdbe.org/7ll8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7ll8 RCSB], [https://www.ebi.ac.uk/pdbsum/7ll8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7ll8 ProSAT]</span></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.31&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DAL:D-ALANINE'>DAL</scene>, <scene name='pdbligand=DAS:D-ASPARTIC+ACID'>DAS</scene>, <scene name='pdbligand=DGL:D-GLUTAMIC+ACID'>DGL</scene>, <scene name='pdbligand=DGN:D-GLUTAMINE'>DGN</scene>, <scene name='pdbligand=DHI:D-HISTIDINE'>DHI</scene>, <scene name='pdbligand=DIL:D-ISOLEUCINE'>DIL</scene>, <scene name='pdbligand=DLE:D-LEUCINE'>DLE</scene>, <scene name='pdbligand=DLY:D-LYSINE'>DLY</scene>, <scene name='pdbligand=DPN:D-PHENYLALANINE'>DPN</scene>, <scene name='pdbligand=DPR:D-PROLINE'>DPR</scene>, <scene name='pdbligand=DSG:D-ASPARAGINE'>DSG</scene>, <scene name='pdbligand=DSN:D-SERINE'>DSN</scene>, <scene name='pdbligand=DTH:D-THREONINE'>DTH</scene>, <scene name='pdbligand=DTR:D-TRYPTOPHAN'>DTR</scene>, <scene name='pdbligand=DTY:D-TYROSINE'>DTY</scene>, <scene name='pdbligand=DVA:D-VALINE'>DVA</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7ll8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7ll8 OCA], [https://pdbe.org/7ll8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7ll8 RCSB], [https://www.ebi.ac.uk/pdbsum/7ll8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7ll8 ProSAT]</span></td></tr>
</table>
</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/VEGFA_HUMAN VEGFA_HUMAN] Defects in VEGFA are a cause of susceptibility to microvascular complications of diabetes type 1 (MVCD1) [MIM:[https://omim.org/entry/603933 603933]. These are pathological conditions that develop in numerous tissues and organs as a consequence of diabetes mellitus. They include diabetic retinopathy, diabetic nephropathy leading to end-stage renal disease, and diabetic neuropathy. Diabetic retinopathy remains the major cause of new-onset blindness among diabetic adults. It is characterized by vascular permeability and increased tissue ischemia and angiogenesis.
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== Function ==
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[https://www.uniprot.org/uniprot/VEGFA_HUMAN VEGFA_HUMAN] Growth factor active in angiogenesis, vasculogenesis and endothelial cell growth. Induces endothelial cell proliferation, promotes cell migration, inhibits apoptosis and induces permeabilization of blood vessels. Binds to the FLT1/VEGFR1 and KDR/VEGFR2 receptors, heparan sulfate and heparin. NRP1/Neuropilin-1 binds isoforms VEGF-165 and VEGF-145. Isoform VEGF165B binds to KDR but does not activate downstream signaling pathways, does not activate angiogenesis and inhibits tumor growth.<ref>PMID:11427521</ref> <ref>PMID:15520188</ref> <ref>PMID:16489009</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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We report a general approach to engineering multivalent d-proteins with antibody-like activities in vivo. Mirror-image phage display and structure-guided design were utilized to create a d-protein that uses receptor mimicry to antagonize vascular endothelial growth factor A (VEGF-A). Selections against the d-protein form of VEGF-A using phage-displayed libraries of two different domain scaffolds yielded two proteins that bound distinct receptor interaction sites on VEGF-A. X-ray crystal structures of the d-protein/VEGF-A complexes were used to guide affinity maturation and to construct a heterodimeric d-protein VEGF-A antagonist with picomolar activity. The d-protein VEGF-A antagonist prevented vascular leakage in a rabbit eye model of wet age-related macular degeneration and slowed tumor growth in the MC38 syngeneic mouse tumor model with efficacies comparable to those of approved antibody drugs, and in contrast with antibodies, the d-protein was non-immunogenic during treatment and following subcutaneous immunizations.
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A Non-immunogenic Bivalent d-Protein Potently Inhibits Retinal Vascularization and Tumor Growth.,Marinec PS, Landgraf KE, Uppalapati M, Chen G, Xie D, Jiang Q, Zhao Y, Petriello A, Deshayes K, Kent SBH, Ault-Riche D, Sidhu SS ACS Chem Biol. 2021 Mar 19;16(3):548-556. doi: 10.1021/acschembio.1c00017. Epub , 2021 Feb 23. PMID:33621466<ref>PMID:33621466</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 7ll8" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[VEGF 3D Structures|VEGF 3D Structures]]
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Z-disk]]
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[[Category: Synthetic construct]]
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[[Category: Ault-Riche D]]
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[[Category: Chen G]]
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[[Category: Deshayes K]]
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[[Category: Jiang Q]]
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[[Category: Kent SBH]]
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[[Category: Landgraf KE]]
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[[Category: Marinec PS]]
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[[Category: Petriello A]]
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[[Category: Sidhu SS]]
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[[Category: Uppalapati M]]
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[[Category: Xie D]]
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[[Category: Zhao Y]]

Current revision

D-Protein RFX-V1 Bound to the VEGFR1 Domain 2 Site on VEGF-A

PDB ID 7ll8

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