3gfk

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[[Image:3gfk.png|left|200px]]
 
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{{STRUCTURE_3gfk| PDB=3gfk | SCENE= }}
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==Crystal structure of Bacillus subtilis Spx/RNA polymerase alpha subunit C-terminal domain complex==
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<StructureSection load='3gfk' size='340' side='right'caption='[[3gfk]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3gfk]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GFK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3GFK 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">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</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=3gfk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3gfk OCA], [https://pdbe.org/3gfk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3gfk RCSB], [https://www.ebi.ac.uk/pdbsum/3gfk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3gfk ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/SPX_BACSU SPX_BACSU] Interferes with activator-stimulated transcription by interaction with the RNA polymerase alpha-CTD. May function to globally reduce transcription of genes involved in growth- and development-promoting processes and to increase transcription of genes involved in thiol homeostasis, during periods of extreme stress. Negatively affects competence and sporulation. Its degradation by the MecA/ClpXP complex is needed for competence development.<ref>PMID:11703662</ref> <ref>PMID:12642660</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/gf/3gfk_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=3gfk 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 Bacillus subtilis Spx protein is a global transcription factor that interacts with the C-terminal domain of the RNA polymerase alpha subunit (alphaCTD) and regulates transcription of genes involved in thiol-oxidative stress, sporulation, competence, and organosulfur metabolism. Here we determined the X-ray crystal structure of the Spx/alphaCTD complex from an entirely new crystal form than previously reported [Newberry, K.J., Nakano, S., Zuber, P., Brennan, R.G., 2005. Crystal structure of the Bacillus subtilis anti-alpha, global transcriptional regulator, Spx, in complex with the alpha C-terminal domain of RNA polymerase. Proc. Natl. Acad. Sci. USA 102, 15839-15844]. Comparison of the previously reported sulfate-bound complex and our sulfate-free complex reveals subtle conformational changes that may be important for the role of Spx in regulating organosulfur metabolism.
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===Crystal structure of Bacillus subtilis Spx/RNA polymerase alpha subunit C-terminal domain complex===
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Crystal structure of the in vivo-assembled Bacillus subtilis Spx/RNA polymerase alpha subunit C-terminal domain complex.,Lamour V, Westblade LF, Campbell EA, Darst SA J Struct Biol. 2009 Nov;168(2):352-6. Epub 2009 Jul 4. PMID:19580872<ref>PMID:19580872</ref>
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{{ABSTRACT_PUBMED_19580872}}
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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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==About this Structure==
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<div class="pdbe-citations 3gfk" style="background-color:#fffaf0;"></div>
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[[3gfk]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GFK OCA].
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==See Also==
==See Also==
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*[[RNA polymerase|RNA polymerase]]
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*[[RNA polymerase 3D structures|RNA polymerase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:019580872</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bacillus subtilis]]
[[Category: Bacillus subtilis]]
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[[Category: DNA-directed RNA polymerase]]
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[[Category: Large Structures]]
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[[Category: Campbell, E A.]]
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[[Category: Campbell EA]]
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[[Category: Darst, S A.]]
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[[Category: Darst SA]]
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[[Category: Lamour, V.]]
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[[Category: Lamour V]]
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[[Category: Westblade, L F.]]
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[[Category: Westblade LF]]
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[[Category: Dna-directed rna polymerase]]
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[[Category: Nucleotidyltransferase]]
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[[Category: Protein-protein complex]]
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[[Category: Redox-active center]]
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[[Category: Stress response]]
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[[Category: Transcription]]
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[[Category: Transcription regulation]]
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[[Category: Transcription-transferase complex]]
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[[Category: Transferase]]
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Current revision

Crystal structure of Bacillus subtilis Spx/RNA polymerase alpha subunit C-terminal domain complex

PDB ID 3gfk

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