2kmt

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[[Image:2kmt.png|left|200px]]
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==NMR solution structure of Vibrio fischeri CcdB==
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<StructureSection load='2kmt' size='340' side='right' caption='[[2kmt]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2kmt]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Aliivibrio_fischeri Aliivibrio fischeri]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KMT OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2KMT FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ccdB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=668 Aliivibrio fischeri])</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=2kmt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2kmt OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2kmt RCSB], [http://www.ebi.ac.uk/pdbsum/2kmt 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/km/2kmt_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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CcdB(Vfi) from Vibrio fischeri is a member of the CcdB family of toxins that poison covalent gyrase-DNA complexes. In solution CcdB(Vfi) is a dimer that unfolds to the corresponding monomeric components in a two-state fashion. In the unfolded state, the monomer retains a partial secondary structure. This observation correlates well with the crystal and NMR structures of the protein, which show a dimer with a hydrophobic core crossing the dimer interface. In contrast to its F plasmid homologue, CcdB(Vfi) possesses a rigid dimer interface, and the apparent relative rotations of the two subunits are due to structural plasticity of the monomer. CcdB(Vfi) shows a number of non-conservative substitutions compared with the F plasmid protein in both the CcdA and the gyrase binding sites. Although variation in the CcdA interaction site likely determines toxin-antitoxin specificity, substitutions in the gyrase-interacting region may have more profound functional implications.
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{{STRUCTURE_2kmt| PDB=2kmt | SCENE= }}
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Structural and thermodynamic characterization of Vibrio fischeri CcdB.,De Jonge N, Hohlweg W, Garcia-Pino A, Respondek M, Buts L, Haesaerts S, Lah J, Zangger K, Loris R J Biol Chem. 2010 Feb 19;285(8):5606-13. Epub 2009 Dec 2. PMID:19959472<ref>PMID:19959472</ref>
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===NMR solution structure of Vibrio fischeri CcdB===
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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_19959472}}
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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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[[2kmt]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Aliivibrio_fischeri Aliivibrio fischeri]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KMT OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019959472</ref><references group="xtra"/>
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[[Category: Aliivibrio fischeri]]
[[Category: Aliivibrio fischeri]]
[[Category: Zangger, K.]]
[[Category: Zangger, K.]]
[[Category: Toxin]]
[[Category: Toxin]]

Revision as of 10:29, 30 September 2014

NMR solution structure of Vibrio fischeri CcdB

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