2o1k

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[[Image:2o1k.jpg|left|200px]]
 
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{{Structure
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==Structure of the extended diarrhea-inducing domain of rotavirus enterotoxigenic protein NSP4==
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|PDB= 2o1k |SIZE=350|CAPTION= <scene name='initialview01'>2o1k</scene>, resolution 1.67&Aring;
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<StructureSection load='2o1k' size='340' side='right'caption='[[2o1k]], [[Resolution|resolution]] 1.67&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>
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<table><tr><td colspan='2'>[[2o1k]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Simian_rotavirus_A/SA11 Simian rotavirus A/SA11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2O1K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2O1K FirstGlance]. <br>
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|ACTIVITY=
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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]] 1.67&#8491;</td></tr>
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|GENE= G10 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id= Simian rotavirus A/SA11])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
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|DOMAIN=
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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=2o1k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2o1k OCA], [https://pdbe.org/2o1k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2o1k RCSB], [https://www.ebi.ac.uk/pdbsum/2o1k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2o1k ProSAT]</span></td></tr>
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|RELATEDENTRY=[[2o1j|2O1J]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2o1k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2o1k OCA], [http://www.ebi.ac.uk/pdbsum/2o1k PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2o1k RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/NSP4_ROTS1 NSP4_ROTS1] Plays an essential role in the virus replication cycle by acting as a viroporin. Creates a pore in the host reticulum endoplasmic and as a consequence releases Ca(2+) in the cytoplasm of infected cell. In turn, high levels of cytoplasmic calcium trigger membrane trafficking and transport of viral ER-associated proteins to viroplasms, sites of viral genome replication and immature particle assembly.[HAMAP-Rule:MF_04091]<ref>PMID:21151776</ref> <ref>PMID:7637021</ref> <ref>PMID:9108087</ref> The secreted form acts as an enterotoxin that causes phospholipase C-dependent elevation of the intracellular calcium concentration in host intestinal mucosa cells. Increased concentration of intracellular calcium disrupts the cytoskeleton and the tight junctions, raising the paracellular permeability. Potentiates chloride ion secretion through a calcium ion-dependent signaling pathway, inducing age-dependent diarrhea. To perform this enterotoxigenic role in vivo, NSP4 is released from infected enterocytes in a soluble form capable of diffusing within the intestinal lumen and interacting with host plasma membrane receptors on neighboring epithelial cells such as integrins ITGA1/ITGB1 and ITGA2/ITGB1.[HAMAP-Rule:MF_04091]<ref>PMID:17035333</ref> <ref>PMID:18587047</ref>
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== Evolutionary Conservation ==
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'''Structure of the extended diarrhea-inducing domain of rotavirus enterotoxigenic protein NSP4'''
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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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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/o1/2o1k_consurf.spt"</scriptWhenChecked>
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2O1K is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Simian_rotavirus_a/sa11 Simian rotavirus a/sa11]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2O1K OCA].
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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[[Category: Simian rotavirus a/sa11]]
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<text>to colour the structure by Evolutionary Conservation</text>
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[[Category: Single protein]]
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</jmolCheckbox>
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[[Category: Deepa, R.]]
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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=2o1k ConSurf].
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[[Category: Rao, C Durga.]]
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<div style="clear:both"></div>
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[[Category: Suguna, K.]]
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== References ==
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[[Category: nonstructural protein]]
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<references/>
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[[Category: nsp4]]
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__TOC__
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[[Category: rotavirus enterotoxin]]
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</StructureSection>
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[[Category: tetrameric coiled-coil]]
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[[Category: Large Structures]]
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[[Category: virulence]]
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[[Category: Simian rotavirus A/SA11]]
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[[Category: Deepa R]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:11:26 2008''
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[[Category: Durga Rao C]]
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[[Category: Suguna K]]

Current revision

Structure of the extended diarrhea-inducing domain of rotavirus enterotoxigenic protein NSP4

PDB ID 2o1k

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