3q3x

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<StructureSection load='3q3x' size='340' side='right'caption='[[3q3x]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='3q3x' size='340' side='right'caption='[[3q3x]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3q3x]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Enterovirus_b Enterovirus b]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3Q3X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3Q3X FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3q3x]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Enterovirus_B Enterovirus B]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3Q3X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3Q3X FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></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]] 1.9&#8491;</td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=OCS:CYSTEINESULFONIC+ACID'>OCS</scene></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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=OCS:CYSTEINESULFONIC+ACID'>OCS</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3q3y|3q3y]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">3C ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=138949 Enterovirus B])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Picornain_3C Picornain 3C], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.22.28 3.4.22.28] </span></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=3q3x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3q3x OCA], [https://pdbe.org/3q3x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3q3x RCSB], [https://www.ebi.ac.uk/pdbsum/3q3x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3q3x ProSAT]</span></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=3q3x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3q3x OCA], [https://pdbe.org/3q3x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3q3x RCSB], [https://www.ebi.ac.uk/pdbsum/3q3x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3q3x ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/Q5DSM6_9ENTO Q5DSM6_9ENTO]
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The Enteroviruses genus of the Picornaviridae family is abundant with common human pathogens that belong to rhinoviruses (HRVs) and enteroviruses (EVs), including diverse echo-, coxsackie- and polio- viruses. They cause a wide spectrum of clinical manifestations ranging from asymptomatic to severe diseases with neurological and/or cardiac manifestations. Pandemic outbreaks of EVs may be accompanied with meningitis and/or paralysis and can be fatal. However, there is no effective prophylaxis or antiviral treatment available against most EVs. The EV RNA genome directs the synthesis of a single polyprotein that is auto-catalytically processed into mature proteins by the 3C protease at Gln downward arrowGly sites, with narrow conserved substrate specificity. These cleavages are essential for virus replication, making 3C(pro) an excellent target for antivirus drug development. In this study, we report the first crystal structures of the 3C(pro) from an enterovirus B, EV-93, a recently identified pathogen, alone and in complex with the anti-HRV molecules Compound 1 (AG7404) and Rupintrivir (AG7088), at 1.9, 1.3 and 1.5-A resolution, respectively. The EV-93 3C(pro) adopts a chymotrypsin-like fold with a canonically configured oxyanion hole and a substrate binding pocket similar to that of rhino-, coxsackie- and poliovirus 3C proteases. We show that Compound 1 and Rupintrivir are both active against EV-93 in infected cells, and inhibit the proteolytic activity of EV-93 3C(pro) in vitro. These results provide a framework for further structure-guided optimization of the tested compounds to produce antiviral drugs against a broad range of EV species.
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Structural basis for antiviral inhibition of the main protease 3C from human enterovirus 93.,Costenaro L, Kaczmarska Z, Arnan C, Janowski R, Coutard B, Sola M, Gorbalenya AE, Norder H, Canard B, Coll M J Virol. 2011 Aug 10. PMID:21835784<ref>PMID:21835784</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 3q3x" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Virus protease 3D structures|Virus protease 3D structures]]
*[[Virus protease 3D structures|Virus protease 3D structures]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Enterovirus b]]
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[[Category: Enterovirus B]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Picornain 3C]]
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[[Category: Canard B]]
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[[Category: Canard, B]]
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[[Category: Coll M]]
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[[Category: Coll, M]]
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[[Category: Costenaro L]]
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[[Category: Costenaro, L]]
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[[Category: Coutard B]]
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[[Category: Coutard, B]]
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[[Category: Norder H]]
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[[Category: Norder, H]]
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[[Category: Sola M]]
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[[Category: Sola, M]]
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[[Category: Cysteine trypsin-like protease]]
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[[Category: Hydrolase]]
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Current revision

Crystal structure of the main protease (3C) from human enterovirus B EV93

PDB ID 3q3x

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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