2vos

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[[Image:2vos.png|left|200px]]
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==MYCOBACTERIUM TUBERCULOSIS FOLYLPOLYGLUTAMATE SYNTHASE COMPLEXED WITH ADP==
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<StructureSection load='2vos' size='340' side='right' caption='[[2vos]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2vos]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2VOS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2VOS FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2vor|2vor]]</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/Tetrahydrofolate_synthase Tetrahydrofolate synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.17 6.3.2.17] </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=2vos FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2vos OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2vos RCSB], [http://www.ebi.ac.uk/pdbsum/2vos 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/vo/2vos_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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Folate derivatives are essential vitamins for cell growth and replication, primarily because of their central role in reactions of one-carbon metabolism. Folates require polyglutamation to be efficiently retained within the cell and folate-dependent enzymes have a higher affinity for the polyglutamylated forms of this cofactor. Polyglutamylation is dependent on the enzyme folylpolyglutamate synthetase (FPGS), which catalyzes the sequential addition of several glutamates to folate. FPGS is essential for the growth and survival of important bacterial species, including Mycobacterium tuberculosis, and is a potential drug target. Here, the crystal structures of M. tuberculosis FPGS in complex with ADP and AMPPCP are reported at 2.0 and 2.3 angstroms resolution, respectively. The structures reveal a deeply buried nucleotide-binding site, as in the Escherichia coli and Lactobacillus casei FPGS structures, and a long extended groove for the binding of folate substrates. Differences from the E. coli and L. casei FPGS structures are seen in the binding of a key divalent cation, the carbamylation state of an essential lysine side chain and the adoption of an 'open' position by the active-site beta5-alpha6 loop. These changes point to coordinated events that are associated with dihydropteroate/folate binding and the catalysis of the new amide bond with an incoming glutamate residue.
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{{STRUCTURE_2vos| PDB=2vos | SCENE= }}
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Structures of Mycobacterium tuberculosis folylpolyglutamate synthase complexed with ADP and AMPPCP.,Young PG, Smith CA, Metcalf P, Baker EN Acta Crystallogr D Biol Crystallogr. 2008 Jul;D64(Pt 7):745-53. Epub 2008, Jun 18. PMID:18566510<ref>PMID:18566510</ref>
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===MYCOBACTERIUM TUBERCULOSIS FOLYLPOLYGLUTAMATE SYNTHASE COMPLEXED WITH ADP===
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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_18566510}}
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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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[[2vos]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2VOS OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018566510</ref><references group="xtra"/>
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[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Tetrahydrofolate synthase]]
[[Category: Tetrahydrofolate synthase]]

Revision as of 01:30, 1 October 2014

MYCOBACTERIUM TUBERCULOSIS FOLYLPOLYGLUTAMATE SYNTHASE COMPLEXED WITH ADP

2vos, resolution 2.00Å

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