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2etw

From Proteopedia

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[[Image:2etw.png|left|200px]]
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==Principles of protein-DNA recognition revealed in the structural analysis of Ndt80-MSE DNA complexes==
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<StructureSection load='2etw' size='340' side='right' caption='[[2etw]], [[Resolution|resolution]] 1.67&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2etw]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ETW OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ETW FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1mnn|1mnn]], [[1mn4|1mn4]], [[1m6u|1m6u]], [[1m7u|1m7u]], [[2euv|2euv]], [[2euw|2euw]], [[2eux|2eux]], [[2euz|2euz]], [[2evf|2evf]], [[2evg|2evg]], [[2evh|2evh]], [[2ehi|2ehi]], [[2ehj|2ehj]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NDT80 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])</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=2etw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2etw OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2etw RCSB], [http://www.ebi.ac.uk/pdbsum/2etw 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/et/2etw_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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The Saccharomyces cerevisiae transcription factor Ndt80 selectively binds a DNA consensus sequence (the middle sporulation element [MSE]) to activate gene expression after the successful completion of meiotic recombination. Here we report the X-ray crystal structures of Ndt80 bound to ten distinct MSE variants. Comparison of these structures with the structure of Ndt80 bound to a consensus MSE reveals structural principles that determine the DNA binding specificity of this transcription factor. The 5' GC-rich end of the MSE contains distinct 5'-YpG-3' steps that are recognized by arginine side chains through a combination of hydrogen bonding and cation-pi interactions. The 3' AT-rich region is recognized via minor groove contacts that sterically exclude the N2 atom of GC base pairs. The conformation of the AT-rich region is fixed by interactions with the protein that favor recognition of poly(A)-poly(T) versus mixed AT sequences through an avoidance of major groove steric clashes at 5'-ApT-3' steps.
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{{STRUCTURE_2etw| PDB=2etw | SCENE= }}
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Principles of protein-DNA recognition revealed in the structural analysis of Ndt80-MSE DNA complexes.,Lamoureux JS, Glover JN Structure. 2006 Mar;14(3):555-65. PMID:16531239<ref>PMID:16531239</ref>
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===Principles of protein-DNA recognition revealed in the structural analysis of Ndt80-MSE DNA complexes===
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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_16531239}}
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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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[[2etw]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ETW OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:016531239</ref><references group="xtra"/>
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[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Glover, J N.]]
[[Category: Glover, J N.]]

Revision as of 02:46, 30 September 2014

Principles of protein-DNA recognition revealed in the structural analysis of Ndt80-MSE DNA complexes

2etw, resolution 1.67Å

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