1kri

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[[Image:1kri.png|left|200px]]
 
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{{STRUCTURE_1kri| PDB=1kri | SCENE= }}
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==NMR Solution Structures of the Rhesus Rotavirus VP4 Sialic Acid Binding Domain without Ligand==
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<StructureSection load='1kri' size='340' side='right'caption='[[1kri]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1kri]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Simian_rotavirus_A_strain_RRV Simian rotavirus A strain RRV]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KRI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KRI 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">Solution NMR</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=1kri FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kri OCA], [https://pdbe.org/1kri PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kri RCSB], [https://www.ebi.ac.uk/pdbsum/1kri PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kri ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/VP4_ROTRH VP4_ROTRH] Spike-forming protein that mediates virion attachment to the host epithelial cell receptors and plays a major role in cell penetration, determination of host range restriction and virulence. It is subsequently lost, together with VP7, following virus entry into the host cell. Rotavirus attachment and entry into the host cell probably involves multiple sequential contacts between the outer capsid proteins VP4 and VP7, and the cell receptors. In sialic acid-dependent and/or integrin-dependent strains, VP4 seems to essentially target sialic acid and/or the integrin heterodimer ITGA2/ITGB1.<ref>PMID:20375171</ref> Outer capsid protein VP5*: forms the spike "foot" and "body". Acts as a membrane permeabilization protein that mediates release of viral particles from endosomal compartments into the cytoplasm. In integrin-dependent strains, VP5* targets the integrin heterodimer ITGA2/ITGB1 for cell attachment.<ref>PMID:20375171</ref> VP8* forms the head of the spikes. It is the viral hemagglutinin and an important target of neutralizing antibodies. In sialic acid-dependent strains, VP8* binds to host cell sialic acid, most probably a ganglioside, providing the initial contact.<ref>PMID:20375171</ref>
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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/kr/1kri_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1kri ConSurf].
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<div style="clear:both"></div>
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===NMR Solution Structures of the Rhesus Rotavirus VP4 Sialic Acid Binding Domain without Ligand===
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==See Also==
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*[[Virus coat proteins 3D structures|Virus coat proteins 3D structures]]
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{{ABSTRACT_PUBMED_11867517}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1kri]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Rhesus_rotavirus Rhesus rotavirus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KRI OCA].
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</StructureSection>
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[[Category: Large Structures]]
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==Reference==
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[[Category: Simian rotavirus A strain RRV]]
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<ref group="xtra">PMID:011867517</ref><references group="xtra"/>
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[[Category: Dormitzer PR]]
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[[Category: Rhesus rotavirus]]
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[[Category: Harrison SC]]
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[[Category: Dormitzer, P R.]]
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[[Category: Sun Z-YJ]]
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[[Category: Harrison, S C.]]
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[[Category: Wagner G]]
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[[Category: Sun, Z Y.J.]]
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[[Category: Wagner, G.]]
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[[Category: Cell attachment]]
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[[Category: Galectin fold]]
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[[Category: Hemagglutinin]]
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[[Category: Lectin]]
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[[Category: Neutralization antigen]]
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[[Category: Outer capsid]]
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[[Category: Rotavirus]]
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[[Category: Sialic acid]]
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[[Category: Spike protein]]
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[[Category: Viral protein]]
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[[Category: Vp4]]
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[[Category: Vp8*]]
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Current revision

NMR Solution Structures of the Rhesus Rotavirus VP4 Sialic Acid Binding Domain without Ligand

PDB ID 1kri

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