2uwj

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[[Image:2uwj.png|left|200px]]
 
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==Structure of the heterotrimeric complex which regulates type III secretion needle formation==
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The line below this paragraph, containing "STRUCTURE_2uwj", creates the "Structure Box" on the page.
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<StructureSection load='2uwj' size='340' side='right'caption='[[2uwj]], [[Resolution|resolution]] 2.00&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'>[[2uwj]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa_CHA Pseudomonas aeruginosa CHA]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2UWJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2UWJ 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&#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=NI:NICKEL+(II)+ION'>NI</scene></td></tr>
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{{STRUCTURE_2uwj| PDB=2uwj | 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=2uwj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2uwj OCA], [https://pdbe.org/2uwj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2uwj RCSB], [https://www.ebi.ac.uk/pdbsum/2uwj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2uwj ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PSCF_PSEAE PSCF_PSEAE] Major component of the type III secretion needle structure. Required for cytotoxicity on macrophages.<ref>PMID:16239085</ref> <ref>PMID:16115870</ref>
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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/uw/2uwj_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=2uwj 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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Type III secretion systems (T3SS), found in several Gram-negative pathogens, are nanomachines involved in the transport of virulence effectors directly into the cytoplasm of target cells. T3SS are essentially composed of basal membrane-embedded ring-like structures and a hollow needle formed by a single polymerized protein. Within the bacterial cytoplasm, the T3SS needle protein requires two distinct chaperones for stabilization before its secretion, without which the entire T3SS is nonfunctional. The 2.0-A x-ray crystal structure of the PscE-PscF(55-85)-PscG heterotrimeric complex from Pseudomonas aeruginosa reveals that the C terminus of the needle protein PscF is engulfed within the hydrophobic groove of the tetratricopeptide-like molecule PscG, indicating that the macromolecular scaffold necessary to stabilize the T3SS needle is totally distinct from chaperoned complexes between pilus- or flagellum-forming molecules. Disruption of specific PscG-PscF interactions leads to impairment of bacterial cytotoxicity toward macrophages, indicating that this essential heterotrimer, which possesses homologs in a wide variety of pathogens, is a unique attractive target for the development of novel antibacterials.
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===STRUCTURE OF THE HETEROTRIMERIC COMPLEX WHICH REGULATES TYPE III SECRETION NEEDLE FORMATION===
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Structure of the heterotrimeric complex that regulates type III secretion needle formation.,Quinaud M, Ple S, Job V, Contreras-Martel C, Simorre JP, Attree I, Dessen A Proc Natl Acad Sci U S A. 2007 May 8;104(19):7803-8. Epub 2007 Apr 30. PMID:17470796<ref>PMID:17470796</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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The line below this paragraph, {{ABSTRACT_PUBMED_17470796}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2uwj" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 17470796 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_17470796}}
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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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[[2uwj]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2UWJ OCA].
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[[Category: Pseudomonas aeruginosa CHA]]
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[[Category: Attree I]]
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==Reference==
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[[Category: Contreras-Martel C]]
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<ref group="xtra">PMID:17470796</ref><ref group="xtra">PMID:16115870</ref><references group="xtra"/>
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[[Category: Dessen A]]
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[[Category: Pseudomonas aeruginosa]]
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[[Category: Job V]]
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[[Category: Attree, I.]]
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[[Category: Ple S]]
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[[Category: Contreras-Martel, C.]]
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[[Category: Quinaud M]]
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[[Category: Dessen, A.]]
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[[Category: Simorre JP]]
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[[Category: Job, V.]]
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[[Category: Ple, S.]]
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[[Category: Quinaud, M.]]
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[[Category: Simorre, J P.]]
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[[Category: Bacterial pathogenicity]]
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[[Category: Chaperone]]
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[[Category: Chaperone]]
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[[Category: Coiled coil]]
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[[Category: Needle formation]]
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[[Category: Type iii secretion]]
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[[Category: Virulence]]
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Current revision

Structure of the heterotrimeric complex which regulates type III secretion needle formation

PDB ID 2uwj

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