2g2q

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[[Image:2g2q.png|left|200px]]
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==The crystal structure of G4, the poxviral disulfide oxidoreductase essential for cytoplasmic disulfide bond formation==
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<StructureSection load='2g2q' size='340' side='right' caption='[[2g2q]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2g2q]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G2Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2G2Q FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">g4l ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10245 Vaccinia virus])</td></tr>
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<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=2g2q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g2q OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2g2q RCSB], [http://www.ebi.ac.uk/pdbsum/2g2q 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/g2/2g2q_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 possibility of the release of smallpox virus into a predominantly nonimmunized population highlights the importance of understanding poxvirus biology. Poxviruses encode a conserved pathway that is required to oxidize disulfide bonds in nascent viral proteins that fold in the reducing environment of the eukaryotic host cytoplasm. We present the structure of the last enzyme of the vaccinia virus pathway, G4, which is almost identical in smallpox virus. G4 catalyzes the formation of disulfide bonds in proteins that are critical for virus maturation and host cell infection. G4 contains a thioredoxin fold and a Cys-X-X-Cys active site. In solution, G4 monomers and dimers are observed. In the crystal, G4 is found as a dimer that buries 4,500 A(2) in the interface and occludes the active site, which could protect the reactive disulfide from reduction in the cytoplasm. The structure serves as a model for drug design targeting viral disulfide bond formation.
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{{STRUCTURE_2g2q| PDB=2g2q | SCENE= }}
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The structure of G4, the poxvirus disulfide oxidoreductase essential for virus maturation and infectivity.,Su HP, Lin DY, Garboczi DN J Virol. 2006 Aug;80(15):7706-13. PMID:16840349<ref>PMID:16840349</ref>
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===The crystal structure of G4, the poxviral disulfide oxidoreductase essential for cytoplasmic disulfide bond formation===
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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_16840349}}
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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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[[2g2q]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G2Q OCA].
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</StructureSection>
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==See Also==
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*[[Phosphoribosyltransferase|Phosphoribosyltransferase]]
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==Reference==
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<ref group="xtra">PMID:016840349</ref><references group="xtra"/>
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[[Category: Vaccinia virus]]
[[Category: Vaccinia virus]]
[[Category: Garboczi, D N.]]
[[Category: Garboczi, D N.]]

Revision as of 09:00, 30 September 2014

The crystal structure of G4, the poxviral disulfide oxidoreductase essential for cytoplasmic disulfide bond formation

2g2q, resolution 2.50Å

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