1upg

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[[Image:1upg.png|left|200px]]
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==CRYSTAL STRUCTURE OF THE QUORUM-SENSING PROTEIN TRAM FROM AGROBACTERIUM TUMEFACIENS==
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<StructureSection load='1upg' size='340' side='right' caption='[[1upg]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1upg]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Agrobacterium_tumefaciens Agrobacterium tumefaciens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UPG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1UPG FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1us6|1us6]]</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=1upg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1upg OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1upg RCSB], [http://www.ebi.ac.uk/pdbsum/1upg 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/up/1upg_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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Transfer of the tumor-inducing plasmid in Agrobacterium tumefaciens is controlled by a quorum-sensing system whose main components are the transcriptional regulator TraR and its autoinducer. This system allows bacteria to synchronize infection of the host plant when a "quorum" of cells has been reached. TraM is an A. tumefaciens protein involved in the regulation of this system because it binds to TraR and prevents it from binding DNA. As a first step to understanding the molecular basis for the regulation of TraR by TraM, we have determined the crystal structure of TraM at 1.65 A resolution. This protein is packed as a dimer, with each monomer consisting mainly of two antiparallel alpha helices. Monomers are tightly associated, with a large hydrophobic area buried upon dimerization. Secondly, we characterized the TraR-TraM complex in vitro. TraM (11.4 kDa, monomer molecular mass) binds tightly TraR (27 kDa, monomer molecular mass) forming a stable oligomeric complex that likely accounts for two TraR and two TraM dimers.
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{{STRUCTURE_1upg| PDB=1upg | SCENE= }}
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Crystal structure of the quorum-sensing protein TraM and its interaction with the transcriptional regulator TraR.,Vannini A, Volpari C, Di Marco S J Biol Chem. 2004 Jun 4;279(23):24291-6. Epub 2004 Mar 24. PMID:15044488<ref>PMID:15044488</ref>
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===CRYSTAL STRUCTURE OF THE QUORUM-SENSING PROTEIN TRAM FROM AGROBACTERIUM TUMEFACIENS===
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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_15044488}}
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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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[[1upg]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Agrobacterium_tumefaciens Agrobacterium tumefaciens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1UPG OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015044488</ref><references group="xtra"/>
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[[Category: Agrobacterium tumefaciens]]
[[Category: Agrobacterium tumefaciens]]
[[Category: Marco, S Di.]]
[[Category: Marco, S Di.]]

Revision as of 19:07, 29 September 2014

CRYSTAL STRUCTURE OF THE QUORUM-SENSING PROTEIN TRAM FROM AGROBACTERIUM TUMEFACIENS

1upg, resolution 1.80Å

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