1knz

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==Recognition of the rotavirus mRNA 3' consensus by an asymmetric NSP3 homodimer==
==Recognition of the rotavirus mRNA 3' consensus by an asymmetric NSP3 homodimer==
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<StructureSection load='1knz' size='340' side='right' caption='[[1knz]], [[Resolution|resolution]] 2.45&Aring;' scene=''>
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<StructureSection load='1knz' size='340' side='right'caption='[[1knz]], [[Resolution|resolution]] 2.45&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1knz]] is a 12 chain structure with 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=1KNZ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1KNZ FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1knz]] is a 12 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=1KNZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KNZ FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1knz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1knz OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1knz RCSB], [http://www.ebi.ac.uk/pdbsum/1knz PDBsum]</span></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]] 2.45&#8491;</td></tr>
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<table>
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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=1knz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1knz OCA], [https://pdbe.org/1knz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1knz RCSB], [https://www.ebi.ac.uk/pdbsum/1knz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1knz ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NSP3_ROTS1 NSP3_ROTS1] Involved in the shutoff of host protein synthesis. It is unclear whether it is required for the translation of viral mRNAs as well. Functions similarly to, and competes with the cellular poly(A)-binding protein PABPC1. Binds the conserved sequence 'GACC' at the 3' end of viral mRNAs and allows circularization of viral mRNAs in translation. Interacts with ZC3H7B/RoXaN and with the eukaryotic translation initiation factor eIF4G, using the same region employed by PABP-C1. NSP3 thus displaces PABPC1 from eIF4G, inhibiting the translation of cellular poly(A) mRNAs. Also responsible for the nuclear relocalization of PABPC1 upon rotavirus infection (By similarity).
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kn/1knz_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kn/1knz_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
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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=1knz ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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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 1knz" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Nonstructural protein|Nonstructural protein]]
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*[[Nonstructural protein 3D structures|Nonstructural protein 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Simian rotavirus a/sa11]]
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[[Category: Large Structures]]
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[[Category: Burley, S K.]]
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[[Category: Simian rotavirus A/SA11]]
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[[Category: Deo, R C.]]
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[[Category: Burley SK]]
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[[Category: Groft, C M.]]
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[[Category: Deo RC]]
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[[Category: Rajashankar, K R.]]
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[[Category: Groft CM]]
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[[Category: Protein-ssrna complex]]
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[[Category: Rajashankar KR]]
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[[Category: Viral protein-rna complex]]
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Current revision

Recognition of the rotavirus mRNA 3' consensus by an asymmetric NSP3 homodimer

PDB ID 1knz

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