2q5f

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[[Image:2q5f.png|left|200px]]
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==Crystal structure of LMNADK1 from Listeria monocytogenes==
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<StructureSection load='2q5f' size='340' side='right' caption='[[2q5f]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2q5f]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Listeria_monocytogenes_egd-e Listeria monocytogenes egd-e]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q5F OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2Q5F FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DTA:(2S,3S,4R,5R,2S,3S,4R,5R)-2,2-[DITHIOBIS(METHYLENE)]BIS[5-(6-AMINO-9H-PURIN-9-YL)TETRAHYDROFURAN-3,4-DIOL]'>DTA</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2i2c|2i2c]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ppnK1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=169963 Listeria monocytogenes EGD-e])</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/NAD(+)_kinase NAD(+) kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.23 2.7.1.23] </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=2q5f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2q5f OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2q5f RCSB], [http://www.ebi.ac.uk/pdbsum/2q5f 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/q5/2q5f_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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Here we describe the crystal structures of the NAD kinase (LmNADK1) from Listeria monocytogenes in complex with its substrate NAD, its product NADP, or two synthesized NAD mimics. We identified one of the NAD mimics, di-adenosine diphosphate, as a new substrate for LmNADK1, whereas we showed that the closely related compound di-5'-thioadenosine is a novel non-natural inhibitor for this enzyme. These structures suggest a mechanism involving substrate-assisted catalysis. Indeed, sequence/structure comparison and directed mutagenesis have previously shown that NAD kinases (NADKs) and the distantly related 6-phosphofructokinases share the same catalytically important GGDGT motif. However, in this study we have shown that these enzymes use the central aspartate of this motif differently. Although this acidic residue chelates the catalytic Mg(2+) ion in 6-phosphofructokinases, it activates the phospho-acceptor (NAD) in NADKs. Sequence/structure comparisons suggest that the role of this aspartate would be conserved in NADKs and the related sphingosine and diacylglycerol kinases.
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{{STRUCTURE_2q5f| PDB=2q5f | SCENE= }}
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NAD kinases use substrate-assisted catalysis for specific recognition of NAD.,Poncet-Montange G, Assairi L, Arold S, Pochet S, Labesse G J Biol Chem. 2007 Nov 23;282(47):33925-34. Epub 2007 Aug 8. PMID:17686780<ref>PMID:17686780</ref>
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===Crystal structure of LMNADK1 from Listeria monocytogenes===
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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_17686780}}
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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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[[2q5f]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Listeria_monocytogenes_egd-e Listeria monocytogenes egd-e]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q5F OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:017686780</ref><references group="xtra"/>
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[[Category: Listeria monocytogenes egd-e]]
[[Category: Listeria monocytogenes egd-e]]
[[Category: Arold, S.]]
[[Category: Arold, S.]]

Revision as of 18:31, 30 September 2014

Crystal structure of LMNADK1 from Listeria monocytogenes

2q5f, resolution 1.90Å

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