2jex

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[[Image:2jex.png|left|200px]]
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==TRANSCRIPTION ACTIVATOR STRUCTURE REVEALS REDOX CONTROL OF A REPLICATION INITIATION REACTION==
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<StructureSection load='2jex' size='340' side='right' caption='[[2jex]], [[Resolution|resolution]] 2.35&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2jex]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bovine_papillomavirus_type_1 Bovine papillomavirus type 1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JEX OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2JEX FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1dbd|1dbd]], [[1jjh|1jjh]], [[2bop|2bop]], [[2jeu|2jeu]]</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=2jex FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jex OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2jex RCSB], [http://www.ebi.ac.uk/pdbsum/2jex 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/je/2jex_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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Redox changes are one of the factors that influence cell-cycle progression and that control the processes of cellular proliferation, differentiation, senescence and apoptosis. Proteins regulated through redox-sensitive cysteines have been characterized but specific 'sulphydryl switches' in replication proteins remain to be identified. In bovine papillomavirus type-1, DNA replication begins when the viral transcription factor E2 recruits the viral initiator protein E1 to the origin of DNA replication (ori). Here we show that a novel dimerization interface in the E2 transcription activation domain is stabilized by a disulphide bond. Oxidative cross-linking via Cys57 sequesters the interaction surface between E1 and E2, preventing pre-initiation and replication initiation complex formation. Our data demonstrate that as well as a mechanism for regulating DNA binding, redox reactions can control replication by modulating the tertiary structure of critical protein factors using a specific redox sensor.
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{{STRUCTURE_2jex| PDB=2jex | SCENE= }}
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Transcription activator structure reveals redox control of a replication initiation reaction.,Sanders CM, Sizov D, Seavers PR, Ortiz-Lombardia M, Antson AA Nucleic Acids Res. 2007;35(10):3504-15. Epub 2007 May 3. PMID:17478495<ref>PMID:17478495</ref>
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===TRANSCRIPTION ACTIVATOR STRUCTURE REVEALS REDOX CONTROL OF A REPLICATION INITIATION REACTION===
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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_17478495}}
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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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[[2jex]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bovine_papillomavirus_type_1 Bovine papillomavirus type 1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JEX OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017478495</ref><references group="xtra"/>
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[[Category: Bovine papillomavirus type 1]]
[[Category: Bovine papillomavirus type 1]]
[[Category: Antson, A A.]]
[[Category: Antson, A A.]]

Revision as of 10:28, 30 September 2014

TRANSCRIPTION ACTIVATOR STRUCTURE REVEALS REDOX CONTROL OF A REPLICATION INITIATION REACTION

2jex, resolution 2.35Å

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