6hse

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==Structure of dithionite-reduced RsrR in spacegroup P2(1)==
==Structure of dithionite-reduced RsrR in spacegroup P2(1)==
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<StructureSection load='6hse' size='340' side='right' caption='[[6hse]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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<StructureSection load='6hse' size='340' side='right'caption='[[6hse]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6hse]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Strvp Strvp]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6HSE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6HSE FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6hse]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptomyces_venezuelae_ATCC_10712 Streptomyces venezuelae ATCC 10712]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6HSE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6HSE FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO3:SULFITE+ION'>SO3</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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]] 2.3&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[6hsd|6hsd]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO3:SULFITE+ION'>SO3</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SVEN_6563 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=953739 STRVP])</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=6hse FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6hse OCA], [https://pdbe.org/6hse PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6hse RCSB], [https://www.ebi.ac.uk/pdbsum/6hse PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6hse ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6hse FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6hse OCA], [http://pdbe.org/6hse PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6hse RCSB], [http://www.ebi.ac.uk/pdbsum/6hse PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6hse ProSAT]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/F2RGC9_STRVP F2RGC9_STRVP]
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The recently discovered Rrf2 family transcriptional regulator RsrR coordinates a [2Fe-2S] cluster. Remarkably, binding of the protein to RsrR-regulated promoter DNA sequences is switched on and off through the facile cycling of the [2Fe-2S] cluster be-tween +2 and +1 states. Here, we report high resolution crystal structures of the RsrR dimer, revealing that the [2Fe-2S] cluster is asymmetrically coordinated across the RsrR monomer-monomer interface by two Cys residues from one subunit and His and Glu residues from the other. To our knowledge, this is the first example of a protein bound [Fe-S] cluster with three different amino acid side chains as ligands, and of Glu acting as ligand to a [2Fe-2S] cluster. Analyses of RsrR structures revealed a conformation-al change, centered on Trp9, which results in a significant shift in the DNA-binding helix-turn-helix region.
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The Crystal Structure of the Transcription Regulator RsrR Reveals a [2Fe-2S] Cluster Coordinated by Cys, Glu and His Residues.,Volbeda A, Pellicer Martinez MT, Crack JC, Amara P, Gigarel O, Munnoch JT, Hutchings MI, Darnault C, Le Brun NE, Fontecilla-Camps JC J Am Chem Soc. 2019 Jan 18. doi: 10.1021/jacs.8b10823. PMID:30657661<ref>PMID:30657661</ref>
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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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<div class="pdbe-citations 6hse" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Strvp]]
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[[Category: Large Structures]]
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[[Category: Fontecilla-Camps, J C]]
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[[Category: Streptomyces venezuelae ATCC 10712]]
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[[Category: Volbeda, A]]
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[[Category: Fontecilla-Camps JC]]
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[[Category: Iron sulfur cluster]]
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[[Category: Volbeda A]]
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[[Category: Redox sensor]]
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[[Category: Transcription]]
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Current revision

Structure of dithionite-reduced RsrR in spacegroup P2(1)

PDB ID 6hse

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