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4wa1

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==The crystal structure of hemagglutinin from a H3N8 influenza virus isolated from New England harbor seals==
==The crystal structure of hemagglutinin from a H3N8 influenza virus isolated from New England harbor seals==
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<StructureSection load='4wa1' size='340' side='right' caption='[[4wa1]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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<StructureSection load='4wa1' size='340' side='right'caption='[[4wa1]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4wa1]] is a 6 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4WA1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4WA1 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4wa1]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/harbor_seal/Massachusetts/1/2011(H3N8)) Influenza A virus (A/harbor seal/Massachusetts/1/2011(H3N8))]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4WA1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4WA1 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</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]] 1.898&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4wa2|4wa2]], [[4wa3|4wa3]], [[4wa4|4wa4]], [[4wa5|4wa5]]</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=BMA:BETA-D-MANNOSE'>BMA</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'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4wa1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4wa1 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4wa1 RCSB], [http://www.ebi.ac.uk/pdbsum/4wa1 PDBsum]</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=4wa1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4wa1 OCA], [https://pdbe.org/4wa1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4wa1 RCSB], [https://www.ebi.ac.uk/pdbsum/4wa1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4wa1 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/I6NNE1_9INFA I6NNE1_9INFA]] Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to the cell. This attachment induces virion internalization of about two third of the virus particles through clathrin-dependent endocytosis and about one third through a clathrin- and caveolin-independent pathway. Plays a major role in the determination of host range restriction and virulence. Class I viral fusion protein. Responsible for penetration of the virus into the cell cytoplasm by mediating the fusion of the membrane of the endocytosed virus particle with the endosomal membrane. Low pH in endosomes induces an irreversible conformational change in HA2, releasing the fusion hydrophobic peptide. Several trimers are required to form a competent fusion pore.[RuleBase:RU003324][SAAS:SAAS00070610]
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[https://www.uniprot.org/uniprot/I6NNE1_9INFA I6NNE1_9INFA] Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to the cell. This attachment induces virion internalization of about two third of the virus particles through clathrin-dependent endocytosis and about one third through a clathrin- and caveolin-independent pathway. Plays a major role in the determination of host range restriction and virulence. Class I viral fusion protein. Responsible for penetration of the virus into the cell cytoplasm by mediating the fusion of the membrane of the endocytosed virus particle with the endosomal membrane. Low pH in endosomes induces an irreversible conformational change in HA2, releasing the fusion hydrophobic peptide. Several trimers are required to form a competent fusion pore.[RuleBase:RU003324][SAAS:SAAS00070610]
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 4wa1" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Hemagglutinin 3D structures|Hemagglutinin 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Gubareva, L V]]
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[[Category: Large Structures]]
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[[Category: Stevens, J]]
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[[Category: Gubareva LV]]
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[[Category: Villanueva, J M]]
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[[Category: Stevens J]]
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[[Category: Yang, H]]
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[[Category: Villanueva JM]]
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[[Category: Hemagglutinin]]
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[[Category: Yang H]]
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[[Category: Influenza virus]]
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[[Category: Seal]]
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[[Category: Viral protein]]
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Current revision

The crystal structure of hemagglutinin from a H3N8 influenza virus isolated from New England harbor seals

PDB ID 4wa1

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