6nhp

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==Crystal structure of the A/Hong Kong/1/1968 (H3N2) influenza virus hemagglutinin HA2 I45T mutant==
==Crystal structure of the A/Hong Kong/1/1968 (H3N2) influenza virus hemagglutinin HA2 I45T mutant==
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<StructureSection load='6nhp' size='340' side='right'caption='[[6nhp]]' scene=''>
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<StructureSection load='6nhp' size='340' side='right'caption='[[6nhp]], [[Resolution|resolution]] 2.25&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=6NHP OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6NHP FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6nhp]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/I68a4 I68a4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NHP OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6NHP 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=6nhp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nhp OCA], [http://pdbe.org/6nhp PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6nhp RCSB], [http://www.ebi.ac.uk/pdbsum/6nhp PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6nhp ProSAT]</span></td></tr>
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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=BMA:BETA-D-MANNOSE'>BMA</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='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=UNK:UNKNOWN'>UNK</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=506350 I68A4])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6nhp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nhp OCA], [http://pdbe.org/6nhp PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6nhp RCSB], [http://www.ebi.ac.uk/pdbsum/6nhp PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6nhp ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
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[[http://www.uniprot.org/uniprot/H9XC94_I68A4 H9XC94_I68A4]] 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 either through clathrin-dependent endocytosis or through 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.[HAMAP-Rule:MF_04072][SAAS:SAAS01039073] 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] [[http://www.uniprot.org/uniprot/HEMA_I68A4 HEMA_I68A4]] 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).
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: I68a4]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Wilson IA]]
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[[Category: Wilson, I A]]
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[[Category: Wu NC]]
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[[Category: Wu, N C]]
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[[Category: Hemagglutinin]]
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[[Category: Influenza virus]]
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[[Category: Viral protein]]

Revision as of 10:35, 17 June 2020

Crystal structure of the A/Hong Kong/1/1968 (H3N2) influenza virus hemagglutinin HA2 I45T mutant

PDB ID 6nhp

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