9cyi

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Current revision (08:08, 13 August 2025) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 9cyi is ON HOLD until Paper Publication
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==Cryo-EM structure of 1G01 IgG in complex with influenza virus neuraminidase from A/Kansas/14/2017 (H3N2)==
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<StructureSection load='9cyi' size='340' side='right'caption='[[9cyi]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
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Authors:
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== Structural highlights ==
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<table><tr><td colspan='2'>[[9cyi]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Influenza_A_virus Influenza A virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9CYI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9CYI FirstGlance]. <br>
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Description:
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.2&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</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=9cyi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9cyi OCA], [https://pdbe.org/9cyi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9cyi RCSB], [https://www.ebi.ac.uk/pdbsum/9cyi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9cyi ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/A0A3G8EZM0_9INFA A0A3G8EZM0_9INFA] Catalyzes the removal of terminal sialic acid residues from viral and cellular glycoconjugates. Cleaves off the terminal sialic acids on the glycosylated HA during virus budding to facilitate virus release. Additionally helps virus spread through the circulation by further removing sialic acids from the cell surface. These cleavages prevent self-aggregation and ensure the efficient spread of the progeny virus from cell to cell. Otherwise, infection would be limited to one round of replication. Described as a receptor-destroying enzyme because it cleaves a terminal sialic acid from the cellular receptors. May facilitate viral invasion of the upper airways by cleaving the sialic acid moities on the mucin of the airway epithelial cells. Likely to plays a role in the budding process through its association with lipid rafts during intracellular transport. May additionally display a raft-association independent effect on budding. Plays a role in the determination of host range restriction on replication and virulence. Sialidase activity in late endosome/lysosome traffic seems to enhance virus replication.[HAMAP-Rule:MF_04071]
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Influenza A virus]]
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[[Category: Large Structures]]
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[[Category: Ferguson JA]]
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[[Category: Han J]]
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[[Category: Jo G]]
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[[Category: Torres JL]]
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[[Category: Ward AB]]

Current revision

Cryo-EM structure of 1G01 IgG in complex with influenza virus neuraminidase from A/Kansas/14/2017 (H3N2)

PDB ID 9cyi

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