7bsc

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Current revision (15:30, 29 November 2023) (edit) (undo)
 
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====
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==Complex structure of 1G5.3 Fab bound to DENV2 NS1c==
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<StructureSection load='7bsc' size='340' side='right'caption='[[7bsc]]' scene=''>
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<StructureSection load='7bsc' size='340' side='right'caption='[[7bsc]], [[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 [http://proteopedia.org/fgij/fg.htm?mol= FirstGlance]. <br>
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<table><tr><td colspan='2'>[[7bsc]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Dengue_virus_2 Dengue virus 2] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7BSC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7BSC FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=7bsc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7bsc OCA], [http://pdbe.org/7bsc PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=7bsc RCSB], [http://www.ebi.ac.uk/pdbsum/7bsc PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=7bsc 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='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7bsc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7bsc OCA], [https://pdbe.org/7bsc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7bsc RCSB], [https://www.ebi.ac.uk/pdbsum/7bsc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7bsc ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q6TFL7_9FLAV Q6TFL7_9FLAV]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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There are no approved flaviviral therapies and the development of vaccines against flaviruses has the potential of being undermined by antibody-dependent enhancement (ADE). The flavivirus nonstructural protein 1 (NS1) is a promising vaccine antigen with low ADE risk but has yet to be explored as a broad-spectrum therapeutic antibody target. Here, we provide the structural basis of NS1 antibody cross-reactivity through cocrystallization of the antibody 1G5.3 with NS1 proteins from dengue and Zika viruses. The 1G5.3 antibody blocks multi-flavivirus NS1-mediated cell permeability in disease-relevant cell lines, and therapeutic application of 1G5.3 reduces viremia and improves survival in dengue, Zika, and West Nile virus murine models. Finally, we demonstrate that 1G5.3 protection is independent of effector function, identifying the 1G5.3 epitope as a key site for broad-spectrum antiviral development.
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A broadly protective antibody that targets the flavivirus NS1 protein.,Modhiran N, Song H, Liu L, Bletchly C, Brillault L, Amarilla AA, Xu X, Qi J, Chai Y, Cheung STM, Traves R, Setoh YX, Bibby S, Scott CAP, Freney ME, Newton ND, Khromykh AA, Chappell KJ, Muller DA, Stacey KJ, Landsberg MJ, Shi Y, Gao GF, Young PR, Watterson D Science. 2021 Jan 8;371(6525):190-194. doi: 10.1126/science.abb9425. PMID:33414219<ref>PMID:33414219</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 7bsc" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Antibody 3D structures|Antibody 3D structures]]
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*[[Nonstructural protein 3D structures|Nonstructural protein 3D structures]]
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Dengue virus 2]]
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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: Gao FG]]
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[[Category: Qi J]]
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[[Category: Song H]]

Current revision

Complex structure of 1G5.3 Fab bound to DENV2 NS1c

PDB ID 7bsc

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