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4bsg

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==Crystal Structure of an H7N3 Avian Influenza Virus Haemagglutinin==
==Crystal Structure of an H7N3 Avian Influenza Virus Haemagglutinin==
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<StructureSection load='4bsg' size='340' side='right' caption='[[4bsg]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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<StructureSection load='4bsg' size='340' side='right'caption='[[4bsg]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4bsg]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Influenza_a_virus_(a/turkey/italy/214845/2002(h7n3)) Influenza a virus (a/turkey/italy/214845/2002(h7n3))]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BSG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4BSG FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4bsg]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/turkey/Italy/214845/2002(H7N3)) Influenza A virus (A/turkey/Italy/214845/2002(H7N3))]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BSG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BSG 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=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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]] 2.1&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4bsa|4bsa]], [[4bsb|4bsb]], [[4bsc|4bsc]], [[4bsd|4bsd]], [[4bse|4bse]], [[4bsf|4bsf]], [[4bsh|4bsh]], [[4bsi|4bsi]]</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=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=4bsg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bsg OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4bsg RCSB], [http://www.ebi.ac.uk/pdbsum/4bsg 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=4bsg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bsg OCA], [https://pdbe.org/4bsg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bsg RCSB], [https://www.ebi.ac.uk/pdbsum/4bsg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bsg ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/Q6GYW3_9INFA Q6GYW3_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 (By similarity).[RuleBase:RU003324][SAAS:SAAS013829_004_327643]
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[https://www.uniprot.org/uniprot/Q6GYW3_9INFA Q6GYW3_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 (By similarity).[RuleBase:RU003324][SAAS:SAAS013829_004_327643]
<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 4bsg" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Hemagglutinin|Hemagglutinin]]
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*[[Hemagglutinin 3D structures|Hemagglutinin 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bennett, M S]]
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[[Category: Large Structures]]
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[[Category: Collins, P J]]
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[[Category: Bennett MS]]
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[[Category: Daniels, R S]]
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[[Category: Collins PJ]]
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[[Category: Gamblin, S J]]
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[[Category: Daniels RS]]
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[[Category: Haire, L F]]
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[[Category: Gamblin SJ]]
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[[Category: Martin, S R]]
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[[Category: Haire LF]]
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[[Category: McCauley, J W]]
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[[Category: Martin SR]]
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[[Category: Skehel, J J]]
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[[Category: McCauley JW]]
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[[Category: Walker, P A]]
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[[Category: Skehel JJ]]
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[[Category: Wharton, S A]]
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[[Category: Walker PA]]
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[[Category: Xiong, X]]
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[[Category: Wharton SA]]
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[[Category: Bird flu]]
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[[Category: Xiong X]]
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[[Category: Fowl plague virus]]
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[[Category: Glycoprotein]]
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[[Category: Glycosylation]]
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[[Category: H5n1]]
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[[Category: H7n9]]
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[[Category: Lstc]]
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[[Category: Pandemic]]
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[[Category: Sialic acid]]
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[[Category: Sialyllactosamine]]
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[[Category: Viral protein]]
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[[Category: Virus receptor]]
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Current revision

Crystal Structure of an H7N3 Avian Influenza Virus Haemagglutinin

PDB ID 4bsg

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