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4de5

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==Pantothenate synthetase in complex with fragment 6==
==Pantothenate synthetase in complex with fragment 6==
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<StructureSection load='4de5' size='340' side='right' caption='[[4de5]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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<StructureSection load='4de5' size='340' side='right'caption='[[4de5]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4de5]] is a 2 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=4DE5 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4DE5 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4de5]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DE5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4DE5 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=0JD:(2S)-2,3-DIHYDRO-1,4-BENZODIOXINE-2-CARBOXYLIC+ACID'>0JD</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=EOH:ETHANOL'>EOH</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.25&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4ddm|4ddm]], [[4ddk|4ddk]], [[4ddh|4ddh]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=0JD:(2S)-2,3-DIHYDRO-1,4-BENZODIOXINE-2-CARBOXYLIC+ACID'>0JD</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=EOH:ETHANOL'>EOH</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MT3707, MTCY07H7B.20, panC, Rv3602c ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1773 Mycobacterium tuberculosis])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4de5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4de5 OCA], [https://pdbe.org/4de5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4de5 RCSB], [https://www.ebi.ac.uk/pdbsum/4de5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4de5 ProSAT]</span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pantoate--beta-alanine_ligase Pantoate--beta-alanine ligase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.1 6.3.2.1] </span></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=4de5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4de5 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4de5 RCSB], [http://www.ebi.ac.uk/pdbsum/4de5 PDBsum]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PANC_MYCTU PANC_MYCTU]] Catalyzes the condensation of pantoate with beta-alanine in an ATP-dependent reaction via a pantoyl-adenylate intermediate.<ref>PMID:11669627</ref>
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[https://www.uniprot.org/uniprot/PANC_MYCTU PANC_MYCTU] Catalyzes the condensation of pantoate with beta-alanine in an ATP-dependent reaction via a pantoyl-adenylate intermediate.<ref>PMID:11669627</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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In fragment-based drug discovery, the weak affinities exhibited by fragments pose significant challenges for screening. Biophysical techniques are used to address this challenge, but there is no clear consensus on which cascade of methods is best suited to identify fragment hits that ultimately translate into bound X-ray structures and provide bona fide starting points for synthesis. We have benchmarked an integrated biophysical approach for fragment screening and validation against Mycobacterium tuberculosis pantothenate synthetase. A primary screen of 1,250 fragments library was performed by thermal shift, followed by secondary screen using one-dimensional NMR spectroscopy (water ligand observed gradient spectroscopy and saturation transfer difference binding experiments) and ultimate hit validation by isothermal titration calorimetry and X-ray crystallography. Our multibiophysical approach identified three distinct binding sites for fragments and laid a solid foundation for successful structure-based elaboration into potent inhibitors.
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Integrated biophysical approach to fragment screening and validation for fragment-based lead discovery.,Silvestre HL, Blundell TL, Abell C, Ciulli A Proc Natl Acad Sci U S A. 2013 Jul 19. PMID:23872845<ref>PMID:23872845</ref>
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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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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Large Structures]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: Pantoate--beta-alanine ligase]]
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[[Category: Silvestre HL]]
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[[Category: Silvestre, H L]]
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[[Category: Alpha beta/adenine nucleotide alpha hydrolase-like]]
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[[Category: Fragment-based drug discovery]]
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[[Category: Ligase-ligase inhibitor complex]]
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[[Category: Pantoate and b-ala binding]]
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[[Category: Pantoate-beta-alanine ligase]]
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[[Category: Protein in complex with fragment]]
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Current revision

Pantothenate synthetase in complex with fragment 6

PDB ID 4de5

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