2xgw

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[[Image:2xgw.png|left|200px]]
 
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{{STRUCTURE_2xgw| PDB=2xgw | SCENE= }}
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==ZINC-BOUND CRYSTAL STRUCTURE OF STREPTOCOCCUS PYOGENES DPR==
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<StructureSection load='2xgw' size='340' side='right'caption='[[2xgw]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2xgw]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptococcus_pyogenes Streptococcus pyogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XGW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2XGW 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]] 2.1&#8491;</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=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SIN:SUCCINIC+ACID'>SIN</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=2xgw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2xgw OCA], [https://pdbe.org/2xgw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2xgw RCSB], [https://www.ebi.ac.uk/pdbsum/2xgw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2xgw ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q99YU7_STRP1 Q99YU7_STRP1]
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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/xg/2xgw_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/main_output.php?pdb_ID=2xgw 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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Dps proteins contain a ferroxidase site that binds and oxidizes iron, thereby preventing hydroxyl radical formation by Fenton reaction. Although the involvement of a di-iron ferroxidase site has been suggested, X-ray crystal structures of various Dps members have shown either one or two iron cations with various occupancies despite the high structural conservation of the site. Similarly, structural studies with zinc, a redox-stable replacement for iron, have shown the binding of either one or two zinc ions. Here, the crystal structure of Streptococcus pyogenes Dpr in complex with zinc reveals the binding of two zinc cations in the ferroxidase center and an additional zinc-binding site at the surface of the protein. The results suggest a structural basis for the protection of Streptococcus pyogenes in zinc stress conditions and provide a clear evidence for a di-zinc and di-iron ferroxidase site in Streptococcus pyogenes Dpr protein.
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===ZINC-BOUND CRYSTAL STRUCTURE OF STREPTOCOCCUS PYOGENES DPR===
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Structural characterization and biological implications of di-zinc binding in the ferroxidase center of Streptococcus pyogenes Dpr.,Haikarainen T, Tsou CC, Wu JJ, Papageorgiou AC Biochem Biophys Res Commun. 2010 Jul 30;398(3):361-5. Epub 2010 Jun 19. PMID:20599728<ref>PMID:20599728</ref>
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{{ABSTRACT_PUBMED_20599728}}
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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 2xgw" style="background-color:#fffaf0;"></div>
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[[2xgw]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptococcus_pyogenes Streptococcus pyogenes]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XGW OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:020599728</ref><references group="xtra"/>
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Streptococcus pyogenes]]
[[Category: Streptococcus pyogenes]]
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[[Category: Haikarainen, T.]]
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[[Category: Haikarainen T]]
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[[Category: Papageorgiou, A C.]]
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[[Category: Papageorgiou AC]]
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[[Category: Tsou, C C.]]
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[[Category: Tsou C-C]]
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[[Category: Wu, J J.]]
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[[Category: Wu J-J]]
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[[Category: Metal binding protein]]
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Current revision

ZINC-BOUND CRYSTAL STRUCTURE OF STREPTOCOCCUS PYOGENES DPR

PDB ID 2xgw

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