3e6c

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[[Image:3e6c.png|left|200px]]
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==CprK OCPA DNA Complex==
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<StructureSection load='3e6c' size='340' side='right' caption='[[3e6c]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3e6c]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Desulfitobacterium_hafniense Desulfitobacterium hafniense]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3E6C OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3E6C FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=3C4:(3-CHLORO-4-HYDROXYPHENYL)ACETIC+ACID'>3C4</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3e5q|3e5q]], [[3e5u|3e5u]], [[3e6x|3e6x]], [[3e6b|3e6b]], [[3e6d|3e6d]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Dhaf_0678 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=49338 Desulfitobacterium hafniense])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3e6c FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3e6c OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3e6c RCSB], [http://www.ebi.ac.uk/pdbsum/3e6c 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/e6/3e6c_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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Certain bacteria are able to conserve energy via the reductive dehalogenation of halo-organic compounds in a respiration-type metabolism. The transcriptional regulator CprK from Desulfitobacterium spp. induces expression of halorespiratory genes upon binding of o-chlorophenol ligands and is reversibly inactivated by oxygen through disulphide bond formation. We report crystal structures of D. hafniense CprK in the ligand-free (both oxidation states), ligand-bound (reduced) and DNA-bound states, making it the first member of the widespread CRP-FNR superfamily for which a complete structural description of both redox-dependent and allosteric molecular rearrangements is available. In conjunction with kinetic and thermodynamic ligand binding studies, we provide a model for the allosteric mechanisms underpinning transcriptional control. Amino acids that play a key role in this mechanism are not conserved in functionally distinct CRP-FNR members. This suggests that, despite significant structural homology, distinct allosteric mechanisms are used, enabling this protein family to control a very wide range of processes.
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{{STRUCTURE_3e6c| PDB=3e6c | SCENE= }}
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Molecular basis of halorespiration control by CprK, a CRP-FNR type transcriptional regulator.,Levy C, Pike K, Heyes DJ, Joyce MG, Gabor K, Smidt H, van der Oost J, Leys D Mol Microbiol. 2008 Oct;70(1):151-67. Epub 2008 Aug 20. PMID:18717788<ref>PMID:18717788</ref>
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===CprK OCPA DNA Complex===
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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_18717788}}
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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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[[3e6c]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Desulfitobacterium_hafniense Desulfitobacterium hafniense]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3E6C OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018717788</ref><references group="xtra"/>
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[[Category: Desulfitobacterium hafniense]]
[[Category: Desulfitobacterium hafniense]]
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[[Category: Levy, C.]]
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[[Category: Levy, C]]
[[Category: Cprk]]
[[Category: Cprk]]
[[Category: Halorespiration]]
[[Category: Halorespiration]]
[[Category: Transcription regulation-dna complex]]
[[Category: Transcription regulation-dna complex]]
[[Category: Transcriptional regulator]]
[[Category: Transcriptional regulator]]

Revision as of 10:04, 20 January 2015

CprK OCPA DNA Complex

3e6c, resolution 1.80Å

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