1j3n

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[[Image:1j3n.png|left|200px]]
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==Crystal Structure of 3-oxoacyl-(acyl-carrier protein) Synthase II from Thermus thermophilus HB8==
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<StructureSection load='1j3n' size='340' side='right' caption='[[1j3n]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1j3n]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1J3N OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1J3N FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CIT:CITRIC+ACID'>CIT</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">FabF ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=274 Thermus thermophilus])</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/Beta-ketoacyl-acyl-carrier-protein_synthase_I Beta-ketoacyl-acyl-carrier-protein synthase I], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.1.41 2.3.1.41] </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=1j3n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1j3n OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1j3n RCSB], [http://www.ebi.ac.uk/pdbsum/1j3n PDBsum], [http://www.topsan.org/Proteins/RSGI/1j3n TOPSAN]</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/j3/1j3n_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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The beta-ketoacyl-(acyl carrier protein) synthases (beta-keto-ACP synthases; KAS) catalyse the addition of two-carbon units to the growing acyl chain during the elongation phase of fatty-acid synthesis. As key regulators of bacterial fatty-acid synthesis, they are promising targets for the development of new antibacterial agents. The crystal structure of 3-oxoacyl-ACP synthase II from Thermus thermophilus HB8 (TtKAS II) has been solved by molecular replacement and refined at 2.0 A resolution. The crystal is orthorhombic, space group P2(1)2(1)2, with unit-cell parameters a = 72.07, b = 185.57, c = 62.52 A, and contains one homodimer in the asymmetric unit. The subunits adopt the well known alpha-beta-alpha-beta-alpha thiolase fold that is common to ACP synthases. The structural and sequence similarities of TtKAS II to KAS I and KAS II enzymes of known structure from other sources support the hypothesis of comparable enzymatic activity. The dimeric state of TtKAS II is important to create each fatty-acid-binding pocket. Closer examination of KAS structures reveals that compared with other KAS structures in the apo form, the active site of TtKAS II is more accessible because of the ;open' conformation of the Phe396 side chain.
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{{STRUCTURE_1j3n| PDB=1j3n | SCENE= }}
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Structure of 3-oxoacyl-(acyl-carrier protein) synthase II from Thermus thermophilus HB8.,Bagautdinov B, Ukita Y, Miyano M, Kunishima N Acta Crystallogr Sect F Struct Biol Cryst Commun. 2008 May 1;64(Pt, 5):358-66. Epub 2008 Apr 30. PMID:18453702<ref>PMID:18453702</ref>
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===Crystal Structure of 3-oxoacyl-(acyl-carrier protein) Synthase II from Thermus thermophilus HB8===
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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_18453702}}
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==About this Structure==
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[[1j3n]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1J3N OCA].
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==See Also==
==See Also==
*[[Acyl carrier protein synthase|Acyl carrier protein synthase]]
*[[Acyl carrier protein synthase|Acyl carrier protein synthase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:018453702</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Beta-ketoacyl-acyl-carrier-protein synthase I]]
[[Category: Beta-ketoacyl-acyl-carrier-protein synthase I]]
[[Category: Thermus thermophilus]]
[[Category: Thermus thermophilus]]

Revision as of 12:49, 28 September 2014

Crystal Structure of 3-oxoacyl-(acyl-carrier protein) Synthase II from Thermus thermophilus HB8

1j3n, resolution 2.00Å

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