1dxg

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[[Image:1dxg.png|left|200px]]
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==CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A RESOLUTION==
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<StructureSection load='1dxg' size='340' side='right' caption='[[1dxg]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dxg]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Desulfovibrio_gigas Desulfovibrio gigas]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DXG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1DXG FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FE:FE+(III)+ION'>FE</scene><br>
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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=1dxg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dxg OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1dxg RCSB], [http://www.ebi.ac.uk/pdbsum/1dxg 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/dx/1dxg_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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The crystal structure of desulforedoxin from Desulfovibrio gigas, a new homo-dimeric (2 x 36 amino acids) non-heme iron protein, has been solved by the SIRAS method using the indium-substituted protein as the single derivative. The structure was refined to a crystallographic R-factor of 16.9% at 1.8 A resolution. Native desulforedoxin crystals were grown from either PEG 4K or lithium sulfate, with cell constants a = b = 42.18 A, c = 72.22 A (for crystals grown from PEG 4K), and they belong to space group P3(2)21. The indium-substituted protein crystallized isomorphously under the same conditions. The 2-fold symmetric dimer is firmly hydrogen bonded and folds as an incomplete beta-barrel with the two iron centers placed on opposite poles of the molecule. Each iron atom is coordinated to four cysteinyl residues in a distorted tetrahedral arrangement. Both iron atoms are 16 A apart but connected across the 2-fold axis by 14 covalent bonds along the polypeptide chain plus two hydrogen bonds. Desulforedoxin and rubredoxin share some structural features but show significant differences in terms of metal environment and water structure, which account for the known spectroscopic differences between rubredoxin and desulforedoxin.
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{{STRUCTURE_1dxg| PDB=1dxg | SCENE= }}
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Crystal structure of desulforedoxin from Desulfovibrio gigas determined at 1.8 A resolution: a novel non-heme iron protein structure.,Archer M, Huber R, Tavares P, Moura I, Moura JJ, Carrondo MA, Sieker LC, LeGall J, Romao MJ J Mol Biol. 1995 Sep 1;251(5):690-702. PMID:7666420<ref>PMID:7666420</ref>
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===CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A RESOLUTION===
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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_7666420}}
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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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[[1dxg]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Desulfovibrio_gigas Desulfovibrio gigas]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DXG OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:007666420</ref><references group="xtra"/>
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[[Category: Desulfovibrio gigas]]
[[Category: Desulfovibrio gigas]]
[[Category: Archer, M.]]
[[Category: Archer, M.]]

Revision as of 10:35, 10 September 2014

CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A RESOLUTION

1dxg, resolution 1.80Å

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