2q9y

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[[Image:2q9y.png|left|200px]]
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==Trichodiene synthase: Complex with Mg, inorganic pyrophosphate, and benzyl triethyl ammonium cation==
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<StructureSection load='2q9y' size='340' side='right' caption='[[2q9y]], [[Resolution|resolution]] 2.85&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2q9y]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Fusarium_sporotrichioides Fusarium sporotrichioides]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q9Y OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2Q9Y FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BTM:N-BENZYL-N,N-DIETHYLETHANAMINIUM'>BTM</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=POP:PYROPHOSPHATE+2-'>POP</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1jfa|1jfa]], [[1jfg|1jfg]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TRI5, TOX 5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=5514 Fusarium sporotrichioides])</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/Trichodiene_synthase Trichodiene synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.3.6 4.2.3.6] </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=2q9y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2q9y OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2q9y RCSB], [http://www.ebi.ac.uk/pdbsum/2q9y 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/q9/2q9y_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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Trichodiene synthase is a terpenoid cyclase that catalyzes the cyclization of farnesyl diphosphate (FPP) to form the bicyclic sesquiterpene hydrocarbon trichodiene (89%), at least five sesquiterpene side products (11%), and inorganic pyrophosphate (PP(i)). Incubation of trichodiene synthase with 2-fluorofarnesyl diphosphate or 4-methylfarnesyl diphosphate similarly yields sesquiterpene mixtures despite the electronic effects or steric bulk introduced by substrate derivatization. The versatility of the enzyme is also demonstrated in the 2.85A resolution X-ray crystal structure of the complex with Mg(2+) (3)-PP(i) and the benzyl triethylammonium cation, which is a bulkier mimic of the bisabolyl carbocation intermediate in catalysis. Taken together, these findings show that the active site of trichodiene synthase is sufficiently flexible to accommodate bulkier and electronically-diverse substrates and intermediates, which could indicate additional potential for the biosynthetic utility of this terpenoid cyclase.
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{{STRUCTURE_2q9y| PDB=2q9y | SCENE= }}
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Exploring biosynthetic diversity with trichodiene synthase.,Vedula LS, Zhao Y, Coates RM, Koyama T, Cane DE, Christianson DW Arch Biochem Biophys. 2007 Oct 15;466(2):260-6. Epub 2007 Jun 28. PMID:17678871<ref>PMID:17678871</ref>
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===Trichodiene synthase: Complex with Mg, inorganic pyrophosphate, and benzyl triethyl ammonium cation===
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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_17678871}}
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==See Also==
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*[[Trichodiene synthase|Trichodiene synthase]]
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==About this Structure==
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== References ==
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[[2q9y]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Fusarium_sporotrichioides Fusarium sporotrichioides]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q9Y OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:017678871</ref><references group="xtra"/>
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[[Category: Fusarium sporotrichioides]]
[[Category: Fusarium sporotrichioides]]
[[Category: Trichodiene synthase]]
[[Category: Trichodiene synthase]]

Revision as of 18:21, 30 September 2014

Trichodiene synthase: Complex with Mg, inorganic pyrophosphate, and benzyl triethyl ammonium cation

2q9y, resolution 2.85Å

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