3oex

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[[Image:3oex.png|left|200px]]
 
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==Crystal Structure of Type I 3-Dehydroquinate Dehydratase (aroD) from Salmonella typhimurium with close loop conformation.==
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The line below this paragraph, containing "STRUCTURE_3oex", creates the "Structure Box" on the page.
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<StructureSection load='3oex' size='340' side='right'caption='[[3oex]], [[Resolution|resolution]] 1.90&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'>[[3oex]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_Typhimurium Salmonella enterica subsp. enterica serovar Typhimurium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3OEX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3OEX 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]] 1.9&#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></td></tr>
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{{STRUCTURE_3oex| PDB=3oex | 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=3oex FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3oex OCA], [https://pdbe.org/3oex PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3oex RCSB], [https://www.ebi.ac.uk/pdbsum/3oex PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3oex ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/AROD_SALTY AROD_SALTY]
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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/oe/3oex_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=3oex 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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Dehydroquinate dehydratase (DHQD) catalyzes the third step in the biosynthetic shikimate pathway. We present three crystal structures of the Salmonella enterica type I DHQD that address the functionality of a surface loop that is observed to close over the active site following substrate binding. Two wild-type structures with differing loop conformations and kinetic and structural studies of a mutant provide evidence of both direct and indirect mechanisms of involvement of the loop in substrate binding. In addition to allowing amino acid side chains to establish a direct interaction with the substrate, closure of the loop necessitates a conformational change of a key active site arginine, which in turn positions the substrate productively. The absence of DHQD in humans and its essentiality in many pathogenic bacteria make the enzyme a target for the development of nontoxic antimicrobials. The structures and ligand binding insights presented here may inform the design of novel type I DHQD inhibiting molecules.
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===Crystal Structure of Type I 3-Dehydroquinate Dehydratase (aroD) from Salmonella typhimurium with close loop conformation.===
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A conserved surface loop in type I dehydroquinate dehydratases positions an active site arginine and functions in substrate binding.,Light SH, Minasov G, Shuvalova L, Peterson SN, Caffrey M, Anderson WF, Lavie A Biochemistry. 2011 Mar 29;50(12):2357-63. Epub 2011 Feb 21. PMID:21291284<ref>PMID:21291284</ref>
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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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<div class="pdbe-citations 3oex" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_21291284}}, adds the Publication Abstract to the page
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*[[Dehydroquinase 3D structures|Dehydroquinase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 21291284 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_21291284}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[3oex]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Salmonella_enterica_subsp._enterica_serovar_typhimurium Salmonella enterica subsp. enterica serovar typhimurium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3OEX OCA].
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[[Category: Salmonella enterica subsp. enterica serovar Typhimurium]]
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[[Category: Anderson WF]]
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==Reference==
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[[Category: Light SH]]
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<ref group="xtra">PMID:021291284</ref><references group="xtra"/>
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[[Category: Minasov G]]
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[[Category: 3-dehydroquinate dehydratase]]
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[[Category: Papazisi L]]
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[[Category: Salmonella enterica subsp. enterica serovar typhimurium]]
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[[Category: Shuvalova L]]
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[[Category: Anderson, W F.]]
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[[Category: CSGID, Center for Structural Genomics of Infectious Diseases.]]
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[[Category: Light, S H.]]
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[[Category: Minasov, G.]]
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[[Category: Papazisi, L.]]
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[[Category: Shuvalova, L.]]
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Current revision

Crystal Structure of Type I 3-Dehydroquinate Dehydratase (aroD) from Salmonella typhimurium with close loop conformation.

PDB ID 3oex

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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