6hsd: Difference between revisions

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-'''Unreleased structure'''
-The entry 6hsd is ON HOLD
+==Crystal structure of the oxidized form of the transcription regulator RsrR==
+<StructureSection load='6hsd' size='340' side='right' caption='[[6hsd]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
+== Structural highlights ==
+<table><tr><td colspan='2'>[[6hsd]] 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=6HSD OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6HSD FirstGlance]. <br>
+</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=FES:FE2/S2+(INORGANIC)+CLUSTER'>FES</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene></td></tr>
+<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>
+<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=6hsd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6hsd OCA], [http://pdbe.org/6hsd PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6hsd RCSB], [http://www.ebi.ac.uk/pdbsum/6hsd PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6hsd ProSAT]</span></td></tr>
+</table>
+<div style="background-color:#fffaf0;">
+== Publication Abstract from PubMed ==
+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.
-Authors:
+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>
-Description:
+From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
-[[Category: Unreleased Structures]]
+</div>
+<div class="pdbe-citations 6hsd" style="background-color:#fffaf0;"></div>
+== References ==
+<references/>
+__TOC__
+</StructureSection>
+[[Category: Strvp]]
+[[Category: Fontecilla-Camps, J C]]
+[[Category: Volbeda, A]]
+[[Category: Iron sulfur cluster]]
+[[Category: Redox sensor]]
+[[Category: Transcription]]