1jmk

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[[Image:1jmk.png|left|200px]]
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==Structural Basis for the Cyclization of the Lipopeptide Antibiotic Surfactin by the Thioesterase Domain SrfTE==
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<StructureSection load='1jmk' size='340' side='right' caption='[[1jmk]], [[Resolution|resolution]] 1.71&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1jmk]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JMK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1JMK FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SrfA-C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 Bacillus subtilis])</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=1jmk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jmk OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1jmk RCSB], [http://www.ebi.ac.uk/pdbsum/1jmk 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/jm/1jmk_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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Many biologically active natural peptides are synthesized by nonribosomal peptide synthetases (NRPS). Product release is accomplished by dedicated thioesterase (TE) domains, some of which catalyze an intramolecular cyclization to form macrolactone or macrolactam cyclic peptides. The excised 28 kDa SrfTE domain, a member of the alpha/beta hydrolase enzyme family, exhibits a distinctive bowl-shaped hydrophobic cavity that hosts the acylpeptide substrate and tolerates its folding to form a cyclic structure. A substrate analog confirms the substrate binding site and suggests a mechanism for substrate acylation/deacylation. Docking of the peptidyl carrier protein domain immediately preceding SrfTE positions the 4'-phosphopantheinyl prosthetic group that transfers the nascent acyl-peptide chain to SrfTE. The structure provides a basis for understanding the mechanism of acyl-PCP substrate recognition and for the cyclization reaction that results in release of the macrolactone cyclic heptapeptide.
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{{STRUCTURE_1jmk| PDB=1jmk | SCENE= }}
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Structural basis for the cyclization of the lipopeptide antibiotic surfactin by the thioesterase domain SrfTE.,Bruner SD, Weber T, Kohli RM, Schwarzer D, Marahiel MA, Walsh CT, Stubbs MT Structure. 2002 Mar;10(3):301-10. PMID:12005429<ref>PMID:12005429</ref>
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===Structural Basis for the Cyclization of the Lipopeptide Antibiotic Surfactin by the Thioesterase Domain SrfTE===
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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_12005429}}
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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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[[1jmk]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JMK OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012005429</ref><references group="xtra"/>
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[[Category: Bacillus subtilis]]
[[Category: Bacillus subtilis]]
[[Category: Bruner, S D.]]
[[Category: Bruner, S D.]]

Revision as of 13:36, 28 September 2014

Structural Basis for the Cyclization of the Lipopeptide Antibiotic Surfactin by the Thioesterase Domain SrfTE

1jmk, resolution 1.71Å

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