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2q1z

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[[Image:2q1z.png|left|200px]]
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==Crystal Structure of Rhodobacter sphaeroides SigE in complex with the anti-sigma ChrR==
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<StructureSection load='2q1z' size='340' side='right' caption='[[2q1z]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2q1z]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Rhodobacter_sphaeroides_2.4.1 Rhodobacter sphaeroides 2.4.1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q1Z OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2Q1Z FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2z2s|2z2s]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">rpoE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=272943 Rhodobacter sphaeroides 2.4.1]), chrR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=272943 Rhodobacter sphaeroides 2.4.1])</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=2q1z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2q1z OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2q1z RCSB], [http://www.ebi.ac.uk/pdbsum/2q1z 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/q1/2q1z_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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A transcriptional response to singlet oxygen in Rhodobacter sphaeroides is controlled by the group IV sigma factor sigma(E) and its cognate anti-sigma ChrR. Crystal structures of the sigma(E)/ChrR complex reveal a modular, two-domain architecture for ChrR. The ChrR N-terminal anti-sigma domain (ASD) binds a Zn(2+) ion, contacts sigma(E), and is sufficient to inhibit sigma(E)-dependent transcription. The ChrR C-terminal domain adopts a cupin fold, can coordinate an additional Zn(2+), and is required for the transcriptional response to singlet oxygen. Structure-based sequence analyses predict that the ASD defines a common structural fold among predicted group IV anti-sigmas. These ASDs are fused to diverse C-terminal domains that are likely involved in responding to specific environmental signals that control the activity of their cognate sigma factor.
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{{STRUCTURE_2q1z| PDB=2q1z | SCENE= }}
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A conserved structural module regulates transcriptional responses to diverse stress signals in bacteria.,Campbell EA, Greenwell R, Anthony JR, Wang S, Lim L, Das K, Sofia HJ, Donohue TJ, Darst SA Mol Cell. 2007 Sep 7;27(5):793-805. PMID:17803943<ref>PMID:17803943</ref>
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===Crystal Structure of Rhodobacter sphaeroides SigE in complex with the anti-sigma ChrR===
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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_17803943}}
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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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[[2q1z]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Rhodobacter_sphaeroides_2.4.1 Rhodobacter sphaeroides 2.4.1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q1Z OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017803943</ref><references group="xtra"/>
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[[Category: Rhodobacter sphaeroides 2 4.1]]
[[Category: Rhodobacter sphaeroides 2 4.1]]
[[Category: Campbell, E A.]]
[[Category: Campbell, E A.]]

Revision as of 20:10, 30 September 2014

Crystal Structure of Rhodobacter sphaeroides SigE in complex with the anti-sigma ChrR

2q1z, resolution 2.40Å

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