4wpb: Difference between revisions
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New page: '''Unreleased structure''' The entry 4wpb is ON HOLD Authors: Kreitler, D.F., Checco, J.W., Gellman, S.H., Forest, K.T. Description: Vascular endothelial growth factor in complex with ... |
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==Vascular endothelial growth factor in complex with alpha/beta-VEGF-1== | |||
<StructureSection load='4wpb' size='340' side='right'caption='[[4wpb]], [[Resolution|resolution]] 3.11Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[4wpb]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4WPB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4WPB FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.11Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=3FB:(3S)-3-AMINO-4-PHENYLBUTANOIC+ACID'>3FB</scene>, <scene name='pdbligand=AIB:ALPHA-AMINOISOBUTYRIC+ACID'>AIB</scene>, <scene name='pdbligand=B3D:3-AMINOPENTANEDIOIC+ACID'>B3D</scene>, <scene name='pdbligand=NH2:AMINO+GROUP'>NH2</scene>, <scene name='pdbligand=XCP:(1S,2S)-2-AMINOCYCLOPENTANECARBOXYLIC+ACID'>XCP</scene>, <scene name='pdbligand=XPC:(3S,4R)-4-AMINOPYRROLIDINE-3-CARBOXYLIC+ACID'>XPC</scene></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=4wpb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4wpb OCA], [https://pdbe.org/4wpb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4wpb RCSB], [https://www.ebi.ac.uk/pdbsum/4wpb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4wpb ProSAT]</span></td></tr> | |||
</table> | |||
== Disease == | |||
[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. | |||
== Function == | |||
[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> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Peptide-based agents derived from well-defined scaffolds offer an alternative to antibodies for selective and high-affinity recognition of large and topologically complex protein surfaces. Here, we describe a strategy for designing oligomers containing both alpha- and beta-amino acid residues ("alpha/beta-peptides") that mimic several peptides derived from the three-helix bundle "Z-domain" scaffold. We show that alpha/beta-peptides derived from a Z-domain peptide targeting vascular endothelial growth factor (VEGF) can structurally and functionally mimic the binding surface of the parent peptide while exhibiting significantly decreased susceptibility to proteolysis. The tightest VEGF-binding alpha/beta-peptide inhibits the VEGF165-induced proliferation of human umbilical vein endothelial cells. We demonstrate the versatility of this strategy by showing how principles underlying VEGF signaling inhibitors can be rapidly extended to produce Z-domain-mimetic alpha/beta-peptides that bind to two other protein partners, IgG and tumor necrosis factor-alpha. Because well-established selection techniques can identify high-affinity Z-domain derivatives from large DNA-encoded libraries, our findings should enable the design of biostable alpha/beta-peptides that bind tightly and specifically to diverse targets of biomedical interest. Such reagents would be useful for diagnostic and therapeutic applications. | |||
Targeting diverse protein-protein interaction interfaces with alpha/beta-peptides derived from the Z-domain scaffold.,Checco JW, Kreitler DF, Thomas NC, Belair DG, Rettko NJ, Murphy WL, Forest KT, Gellman SH Proc Natl Acad Sci U S A. 2015 Mar 30. pii: 201420380. PMID:25825775<ref>PMID:25825775</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 4wpb" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[VEGF 3D Structures|VEGF 3D Structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | |||
[[Category: Staphylococcus aureus]] | |||
[[Category: Checco JW]] | |||
[[Category: Forest KT]] | |||
[[Category: Gellman SH]] | |||
[[Category: Kreitler DF]] | |||
