1fov

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[[Image:1fov.png|left|200px]]
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==GLUTAREDOXIN 3 FROM ESCHERICHIA COLI IN THE FULLY OXIDIZED FORM==
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<StructureSection load='1fov' size='340' side='right' caption='[[1fov]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1fov]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FOV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1FOV FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3grx|3grx]]</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=1fov FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fov OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1fov RCSB], [http://www.ebi.ac.uk/pdbsum/1fov 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/fo/1fov_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 high precision NMR structure of oxidized glutaredoxin 3 [C65Y] from Escherichia coli has been determined. The conformation of the active site including the disulphide bridge is highly similar to those in glutaredoxins from pig liver and T4 phage. A comparison with the previously determined structure of glutaredoxin 3 [C14S, C65Y] in a complex with glutathione reveals conformational changes between the free and substrate-bound form which includes the sidechain of the conserved, active site tyrosine residue. In the oxidized form this tyrosine is solvent exposed, while it adopts a less exposed conformation, stabilized by hydrogen bonds, in the mixed disulfide with glutathione. The structures further suggest that the formation of a covalent linkage between glutathione and glutaredoxin 3 is necessary in order to induce these structural changes upon binding of the glutathione peptide. This could explain the observed low affinity of glutaredoxins for S-blocked glutathione analogues, in spite of the fact that glutaredoxins are highly specific reductants of glutathione mixed disulfides.
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{{STRUCTURE_1fov| PDB=1fov | SCENE= }}
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NMR structure of oxidized glutaredoxin 3 from Escherichia coli.,Nordstrand K, Sandstrom A, Aslund F, Holmgren A, Otting G, Berndt KD J Mol Biol. 2000 Oct 27;303(3):423-32. PMID:11031118<ref>PMID:11031118</ref>
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===GLUTAREDOXIN 3 FROM ESCHERICHIA COLI IN THE FULLY OXIDIZED FORM===
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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_11031118}}
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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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[[1fov]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FOV OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:011031118</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Aslund, F.]]
[[Category: Aslund, F.]]

Revision as of 13:11, 28 September 2014

GLUTAREDOXIN 3 FROM ESCHERICHIA COLI IN THE FULLY OXIDIZED FORM

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