2gth

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[[Image:2gth.png|left|200px]]
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==crystal structure of the wildtype MHV coronavirus non-structural protein nsp15==
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<StructureSection load='2gth' size='340' side='right' caption='[[2gth]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2gth]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Murine_hepatitis_virus_strain_a59 Murine hepatitis virus strain a59]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GTH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2GTH 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=2gth FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gth OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2gth RCSB], [http://www.ebi.ac.uk/pdbsum/2gth PDBsum]</span></td></tr>
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<table>
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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/gt/2gth_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/chain_selection.php?pdb_ID=2ata 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 unique coronavirus transcription/replication machinery comprised of multiple virus-encoded nonstructural proteins (nsp) plays a vital role during initial and intermediate phases of the viral life cycle. The crystal structure of mouse hepatitis virus strain A59 (MHV-A59) nsp15 is reported at 2.15-A resolution. nsp15 is an XendoU endoribonuclease and is the first one from this family to have its structure unveiled. The MHV-A59 nsp15 monomer structure has a novel protein fold. Two nsp15 trimers form a back-to-back hexamer that is believed to be the functional unit. The structure reveals the catalytic site including the highly conserved residues His262, His277, and Lys317, which is supported by mutagenesis analysis. Gel filtration and enzyme activity assays confirmed that the hexamer is the active form for nsp15 and demonstrate the specificity of nsp15 for uridylate. The high sequence conservation of nsp15 in coronaviruses, including that of severe acute respiratory syndrome, suggests that this protein may provide a new target for the design of antiviral therapeutics.
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{{STRUCTURE_2gth| PDB=2gth | SCENE= }}
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New antiviral target revealed by the hexameric structure of mouse hepatitis virus nonstructural protein nsp15.,Xu X, Zhai Y, Sun F, Lou Z, Su D, Xu Y, Zhang R, Joachimiak A, Zhang XC, Bartlam M, Rao Z J Virol. 2006 Aug;80(16):7909-17. PMID:16873248<ref>PMID:16873248</ref>
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===crystal structure of the wildtype MHV coronavirus non-structural protein nsp15===
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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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{{ABSTRACT_PUBMED_16873248}}
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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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[[2gth]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Murine_hepatitis_virus_strain_a59 Murine hepatitis virus strain a59]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GTH OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:016873248</ref><references group="xtra"/>
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[[Category: Murine hepatitis virus strain a59]]
[[Category: Murine hepatitis virus strain a59]]
[[Category: Lou, Z.]]
[[Category: Lou, Z.]]

Revision as of 08:27, 30 September 2014

crystal structure of the wildtype MHV coronavirus non-structural protein nsp15

2gth, resolution 2.70Å

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