2fqd

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[[Image:2fqd.jpg|left|200px]]
 
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==Crystal Structures of E. coli Laccase CueO under different copper binding situations==
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The line below this paragraph, containing "STRUCTURE_2fqd", creates the "Structure Box" on the page.
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<StructureSection load='2fqd' size='340' side='right'caption='[[2fqd]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2fqd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FQD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FQD FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.4&#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=C2O:CU-O-CU+LINKAGE'>C2O</scene>, <scene name='pdbligand=CIT:CITRIC+ACID'>CIT</scene>, <scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene></td></tr>
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{{STRUCTURE_2fqd| PDB=2fqd | SCENE= }}
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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=2fqd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fqd OCA], [https://pdbe.org/2fqd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2fqd RCSB], [https://www.ebi.ac.uk/pdbsum/2fqd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2fqd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CUEO_ECOLI CUEO_ECOLI]
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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/fq/2fqd_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=2fqd ConSurf].
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<div style="clear:both"></div>
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'''Crystal Structures of E. coli Laccase CueO under different copper binding situations'''
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==See Also==
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*[[Blue copper oxidase CueO 3D structures|Blue copper oxidase CueO 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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CueO protein is a hypothetical bacterial laccase and a good laccase candidate for large scale industrial application. Four CueO crystal structures were determined at different copper concentrations. Low copper occupancy in apo-CueO and slow copper reconstitution process in CueO with exogenous copper were demonstrated. These observations well explain the copper dependence of CueO oxidase activity. Structural comparison between CueO and other three fungal laccase proteins indicates that Glu106 in CueO constitutes the primary counter-work for reconstitution of the trinuclear copper site. Mutation of Glu106 to a Phe enhanced CueO oxidation activity and supported this hypothesis. In addition, an extra alpha-helix from Leu351 to Gly378 covers substrate biding pocket of CueO and might compromises the electron transfer from substrate to type I copper.
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==About this Structure==
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2FQD is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FQD OCA].
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==Reference==
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Crystal structures of E. coli laccase CueO at different copper concentrations., Li X, Wei Z, Zhang M, Peng X, Yu G, Teng M, Gong W, Biochem Biophys Res Commun. 2007 Mar 2;354(1):21-6. Epub 2006 Dec 22. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17217912 17217912]
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Gong, W.]]
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[[Category: Gong W]]
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[[Category: Li, X.]]
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[[Category: Li X]]
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[[Category: Teng, M.]]
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[[Category: Teng M]]
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[[Category: Wei, Z.]]
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[[Category: Wei Z]]
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[[Category: Zhang, M.]]
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[[Category: Zhang M]]
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[[Category: Azurin-like domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 04:11:52 2008''
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Current revision

Crystal Structures of E. coli Laccase CueO under different copper binding situations

PDB ID 2fqd

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