1jmk

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[[Image:1jmk.jpg|left|200px]]
 
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{{Structure
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==Structural Basis for the Cyclization of the Lipopeptide Antibiotic Surfactin by the Thioesterase Domain SrfTE==
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|PDB= 1jmk |SIZE=350|CAPTION= <scene name='initialview01'>1jmk</scene>, resolution 1.71&Aring;
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<StructureSection load='1jmk' size='340' side='right'caption='[[1jmk]], [[Resolution|resolution]] 1.71&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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<table><tr><td colspan='2'>[[1jmk]] is a 2 chain structure with sequence from [https://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 [https://proteopedia.org/fgij/fg.htm?mol=1JMK FirstGlance]. <br>
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|ACTIVITY=
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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]] 1.71&#8491;</td></tr>
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|GENE= SrfA-C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 Bacillus subtilis])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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|DOMAIN=
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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=1jmk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jmk OCA], [https://pdbe.org/1jmk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jmk RCSB], [https://www.ebi.ac.uk/pdbsum/1jmk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jmk ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<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.ebi.ac.uk/pdbsum/1jmk PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1jmk RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/SRFAC_BACSU SRFAC_BACSU] Probably activates a leucine.
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== Evolutionary Conservation ==
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'''Structural Basis for the Cyclization of the Lipopeptide Antibiotic Surfactin by the Thioesterase Domain SrfTE'''
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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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==Overview==
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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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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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<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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==About this Structure==
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</jmolCheckbox>
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1JMK is a [[Single protein]] structure of 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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</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=1jmk ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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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:[http://www.ncbi.nlm.nih.gov/pubmed/12005429 12005429]
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</StructureSection>
[[Category: Bacillus subtilis]]
[[Category: Bacillus subtilis]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Bruner, S D.]]
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[[Category: Bruner SD]]
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[[Category: Kohli, R M.]]
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[[Category: Kohli RM]]
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[[Category: Marahiel, M A.]]
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[[Category: Marahiel MA]]
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[[Category: Schwarzer, D.]]
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[[Category: Schwarzer D]]
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[[Category: Stubbs, M T.]]
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[[Category: Stubbs MT]]
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[[Category: Walsh, C T.]]
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[[Category: Walsh CT]]
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[[Category: Weber, T.]]
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[[Category: Weber T]]
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[[Category: alpha-beta hydrolase]]
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[[Category: cyclic peptide]]
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[[Category: non-ribosomal peptide synthesis]]
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[[Category: thioesterase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:35:51 2008''
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Current revision

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

PDB ID 1jmk

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