1rvx

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[[Image:1rvx.png|left|200px]]
 
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{{STRUCTURE_1rvx| PDB=1rvx | SCENE= }}
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==1934 H1 Hemagglutinin in complex with LSTA==
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<StructureSection load='1rvx' size='340' side='right'caption='[[1rvx]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rvx]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/Puerto_Rico/8/1934(H1N1)) Influenza A virus (A/Puerto Rico/8/1934(H1N1))]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RVX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RVX FirstGlance]. <br>
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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]] 2.2&#8491;</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=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PRD_900067:3-sialyl-N-acetyllactosamine'>PRD_900067</scene>, <scene name='pdbligand=SIA:O-SIALIC+ACID'>SIA</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=1rvx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rvx OCA], [https://pdbe.org/1rvx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rvx RCSB], [https://www.ebi.ac.uk/pdbsum/1rvx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rvx ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HEMA_I34A1 HEMA_I34A1] 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]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/rv/1rvx_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1rvx ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The 1918 influenza pandemic resulted in about 20 million deaths. This enormous impact, coupled with renewed interest in emerging infections, makes characterization of the virus involved a priority. Receptor binding, the initial event in virus infection, is a major determinant of virus transmissibility that, for influenza viruses, is mediated by the hemagglutinin (HA) membrane glycoprotein. We have determined the crystal structures of the HA from the 1918 virus and two closely related HAs in complex with receptor analogs. They explain how the 1918 HA, while retaining receptor binding site amino acids characteristic of an avian precursor HA, is able to bind human receptors and how, as a consequence, the virus was able to spread in the human population.
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===1934 H1 Hemagglutinin in complex with LSTA===
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The structure and receptor binding properties of the 1918 influenza hemagglutinin.,Gamblin SJ, Haire LF, Russell RJ, Stevens DJ, Xiao B, Ha Y, Vasisht N, Steinhauer DA, Daniels RS, Elliot A, Wiley DC, Skehel JJ Science. 2004 Mar 19;303(5665):1838-42. Epub 2004 Feb 5. PMID:14764886<ref>PMID:14764886</ref>
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{{ABSTRACT_PUBMED_14764886}}
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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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==About this Structure==
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<div class="pdbe-citations 1rvx" style="background-color:#fffaf0;"></div>
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[[1rvx]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Influenza_a_virus_(a/puerto_rico/8/1934(h1n1)) Influenza a virus (a/puerto rico/8/1934(h1n1))]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RVX OCA].
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==See Also==
==See Also==
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*[[Hemagglutinin|Hemagglutinin]]
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*[[Hemagglutinin 3D structures|Hemagglutinin 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:014764886</ref><ref group="xtra">PMID:015246268</ref><references group="xtra"/>
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__TOC__
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[[Category: Daniels, R S.]]
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</StructureSection>
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[[Category: Elliot, A.]]
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[[Category: Large Structures]]
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[[Category: Gamblin, S J.]]
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[[Category: Daniels RS]]
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[[Category: Ha, Y.]]
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[[Category: Elliot A]]
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[[Category: Haire, L F.]]
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[[Category: Gamblin SJ]]
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[[Category: Russell, R J.]]
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[[Category: Ha Y]]
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[[Category: Skehel, J J.]]
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[[Category: Haire LF]]
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[[Category: Steinhauer, D A.]]
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[[Category: Russell RJ]]
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[[Category: Stevens, D J.]]
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[[Category: Skehel JJ]]
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[[Category: Vasisht, N.]]
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[[Category: Steinhauer DA]]
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[[Category: Wiley, D C.]]
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[[Category: Stevens DJ]]
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[[Category: Xiao, B.]]
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[[Category: Vasisht N]]
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[[Category: Hemagglutinin]]
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[[Category: Wiley DC]]
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[[Category: Influenza a virus]]
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[[Category: Xiao B]]
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[[Category: Viral protein]]
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Current revision

1934 H1 Hemagglutinin in complex with LSTA

PDB ID 1rvx

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