3flb

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[[Image:3flb.png|left|200px]]
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==RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 2==
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<StructureSection load='3flb' size='340' side='right' caption='[[3flb]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3flb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Amycolatopsis_mediterranei Amycolatopsis mediterranei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FLB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3FLB 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=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3fla|3fla]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">rifR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=33910 Amycolatopsis mediterranei])</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=3flb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3flb OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3flb RCSB], [http://www.ebi.ac.uk/pdbsum/3flb 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/fl/3flb_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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Two thioesterases are commonly found in natural product biosynthetic clusters, a type I thioesterase (TEI) which is responsible for removing the final product from the biosynthetic complex, and a type II thioesterase (TEII) which is believed to perform housekeeping functions such as removing aberrant units from carrier domains. We present the crystal structure and the kinetic analysis of RifR, a TEII from the hybrid NRPS/PKS rifamycin biosynthetic cluster of Amycolatopsis mediterranei. Steady-state kinetics show RifR has a preference for the hydrolysis of acyl units from the phosphopantetheinyl arm (Ppant) of the acyl carrier domain, over the hydrolysis of acyl units from the Ppant of acyl-CoAs as well as a modest preference for the decarboxylated substrate mimics acetyl-CoA and propionyl-CoA over malonyl-CoA and methylmalonyl-CoA. Multiple RifR conformations and structural similarities to other thioesterases suggest that movement of a helical lid controls access of substrates to the active site of RifR.
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{{STRUCTURE_3flb| PDB=3flb | SCENE= }}
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Structure and functional analysis of RifR, the type II thioesterase from the rifamycin biosynthetic pathway.,Claxton HB, Akey DL, Silver MK, Admiraal SJ, Smith JL J Biol Chem. 2008 Dec 22. PMID:19103602<ref>PMID:19103602</ref>
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===RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 2===
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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_19103602}}
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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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[[3flb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Amycolatopsis_mediterranei Amycolatopsis mediterranei]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FLB OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019103602</ref><references group="xtra"/>
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[[Category: Amycolatopsis mediterranei]]
[[Category: Amycolatopsis mediterranei]]
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[[Category: Akey, D L.]]
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[[Category: Akey, D L]]
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[[Category: Smith, J L.]]
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[[Category: Smith, J L]]
[[Category: Alpha-beta hydrolase thioesterase]]
[[Category: Alpha-beta hydrolase thioesterase]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]

Revision as of 10:30, 3 December 2014

RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 2

3flb, resolution 1.80Å

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