2wge

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[[Image:2wge.png|left|200px]]
 
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==Crystal structure of KasA of Mycobacterium tuberculosis with bound TLM==
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The line below this paragraph, containing "STRUCTURE_2wge", creates the "Structure Box" on the page.
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<StructureSection load='2wge' size='340' side='right'caption='[[2wge]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2wge]] is a 1 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=2WGE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2WGE FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.8&#8491;</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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=IPA:ISOPROPYL+ALCOHOL'>IPA</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=TLM:THIOLACTOMYCIN'>TLM</scene></td></tr>
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{{STRUCTURE_2wge| PDB=2wge | SCENE= }}
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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=2wge FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2wge OCA], [https://pdbe.org/2wge PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2wge RCSB], [https://www.ebi.ac.uk/pdbsum/2wge PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2wge ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/KASA_MYCTU KASA_MYCTU] Part of the mycobacterial fatty acid elongation system FAS-II, which is involved in mycolic acid biosynthesis. Catalyzes the elongation of long chain acyl-ACP substrates by the addition of two carbons from malonyl-ACP to an acyl acceptor (PubMed:11600501, PubMed:12023885, PubMed:12464486, PubMed:16873379, PubMed:22017312, PubMed:24108128). Involved in the initial extension of the mycolate chain and forms monounsaturated fatty acids that averaged 40 carbons in length (PubMed:12464486).<ref>PMID:11600501</ref> <ref>PMID:12023885</ref> <ref>PMID:12464486</ref> <ref>PMID:16873379</ref> <ref>PMID:22017312</ref> <ref>PMID:24108128</ref>
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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/wg/2wge_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/main_output.php?pdb_ID=2wge 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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Mycobacteria have a unique cell wall consisting of mycolic acids, very-long-chain lipids that provide protection and allow the bacteria to persist within human macrophages. Inhibition of cell wall biosynthesis is fatal for the organism and a starting point for the discovery and development of novel antibiotics. We determined the crystal structures of KasA, a key enzyme involved in the biosynthesis of long-chain fatty acids, in its apo-form and bound to the natural product inhibitor thiolactomycin. Detailed insights into the interaction of the inhibitor with KasA and the identification of a polyethylene glycol molecule that mimics a fatty acid substrate of approximately 40 carbon atoms length, represent the first atomic view of a mycobacterial enzyme involved in the synthesis of long-chain fatty acids and provide a robust platform for the development of novel thiolactomycin analogs with high affinity for KasA.
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===Crystal structure of KasA of Mycobacterium tuberculosis with bound TLM===
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Crystal structures of Mycobacterium tuberculosis KasA show mode of action within cell wall biosynthesis and its inhibition by thiolactomycin.,Luckner SR, Machutta CA, Tonge PJ, Kisker C Structure. 2009 Jul 15;17(7):1004-13. PMID:19604480<ref>PMID:19604480</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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<div class="pdbe-citations 2wge" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_19604480}}, adds the Publication Abstract to the page
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*[[Acyl carrier protein synthase 3D structures|Acyl carrier protein synthase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 19604480 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_19604480}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[2wge]] 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=2WGE OCA].
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==Reference==
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<ref group="xtra">PMID:019604480</ref><references group="xtra"/>
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[[Category: Beta-ketoacyl-acyl-carrier-protein synthase I]]
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[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: Kisker, C.]]
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[[Category: Kisker C]]
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[[Category: Luckner, S R.]]
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[[Category: Luckner SR]]
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[[Category: Acyltransferase]]
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[[Category: Beta ketoacyl synthase i thiolactomycin]]
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[[Category: Fatty acid biosynthesis]]
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[[Category: Lipid synthesis]]
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[[Category: Transferase]]
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Current revision

Crystal structure of KasA of Mycobacterium tuberculosis with bound TLM

PDB ID 2wge

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