3cky

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[[Image:3cky.png|left|200px]]
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==Structural and Kinetic Properties of a beta-hydroxyacid dehydrogenase involved in nicotinate fermentation==
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<StructureSection load='3cky' size='340' side='right' caption='[[3cky]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3cky]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Eubacterium_barkeri Eubacterium barkeri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3CKY OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3CKY FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Hgd ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1528 Eubacterium barkeri])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/2-hydroxymethylglutarate_dehydrogenase 2-hydroxymethylglutarate dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.291 1.1.1.291] </span></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=3cky FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cky OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3cky RCSB], [http://www.ebi.ac.uk/pdbsum/3cky 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/ck/3cky_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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2-(Hydroxymethyl)glutarate dehydrogenase, the fourth enzyme of the anaerobic nicotinate fermentation pathway of Eubacterium barkeri, catalyzes the NADH-dependent conversion between (S)-2-formylglutarate and (S)-2-(hydroxymethyl)glutarate. As shown by its 2.3-A crystal structure, this enzyme is a novel member of the beta-hydroxyacid dehydrogenase family and adopts a tetrameric architecture with monomers interacting via their C-terminal catalytic domains. The NAD-binding domains protrude heterogeneously from the central, tetrameric core with domain rotation angles differing up to 12 degrees. Kinetic properties of the enzyme, including NADH inhibition constants, were determined. A strong NADH binding in contrast to weaker NAD(+) binding of the protein was inferred from fluorometrically determined binding constants for the dinucleotide cofactor. The data support either an Iso Ordered Bi Bi mechanism or a more common Ordered Bi Bi mechanism as found in other dehydrogenases.
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{{STRUCTURE_3cky| PDB=3cky | SCENE= }}
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Structural and kinetic properties of a beta-hydroxyacid dehydrogenase involved in nicotinate fermentation.,Reitz S, Alhapel A, Essen LO, Pierik AJ J Mol Biol. 2008 Oct 10;382(3):802-11. Epub 2008 Jul 25. PMID:18680749<ref>PMID:18680749</ref>
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===Structural and Kinetic Properties of a beta-hydroxyacid dehydrogenase involved in nicotinate fermentation===
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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_18680749}}
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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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[[3cky]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Eubacterium_barkeri Eubacterium barkeri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3CKY OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018680749</ref><references group="xtra"/>
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[[Category: 2-hydroxymethylglutarate dehydrogenase]]
[[Category: 2-hydroxymethylglutarate dehydrogenase]]
[[Category: Eubacterium barkeri]]
[[Category: Eubacterium barkeri]]

Revision as of 21:34, 2 October 2014

Structural and Kinetic Properties of a beta-hydroxyacid dehydrogenase involved in nicotinate fermentation

3cky, resolution 2.30Å

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