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<StructureSection load='3lsp' size='340' side='right'caption='[[3lsp]], [[Resolution|resolution]] 2.66&Aring;' scene=''>
<StructureSection load='3lsp' size='340' side='right'caption='[[3lsp]], [[Resolution|resolution]] 2.66&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3lsp]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/"bacillus_aeruginosus"_(schroeter_1872)_trevisan_1885 "bacillus aeruginosus" (schroeter 1872) trevisan 1885]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LSP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LSP FirstGlance]. <br>
<table><tr><td colspan='2'>[[3lsp]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LSP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LSP FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=OLA:OLEIC+ACID'>OLA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.66&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3lsj|3lsj]], [[3lsr|3lsr]]</div></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=OLA:OLEIC+ACID'>OLA</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">desT, PA4890 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=287 "Bacillus aeruginosus" (Schroeter 1872) Trevisan 1885])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3lsp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3lsp OCA], [https://pdbe.org/3lsp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3lsp RCSB], [https://www.ebi.ac.uk/pdbsum/3lsp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3lsp ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3lsp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3lsp OCA], [https://pdbe.org/3lsp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3lsp RCSB], [https://www.ebi.ac.uk/pdbsum/3lsp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3lsp ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/Q9HUS3_PSEAE Q9HUS3_PSEAE]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=3lsp ConSurf].
</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=3lsp ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
DesT is a transcriptional repressor that regulates the genes that control the unsaturated:saturated fatty acid ratio available for membrane lipid synthesis. DesT bound to unsaturated acyl-CoA has a high affinity for its cognate palindromic DNA-binding site, whereas DesT bound to saturated acyl-CoA does not bind this site. Structural analyses of the DesT-oleoyl-CoA-DNA and DesT-palmitoyl-CoA complexes reveal that acyl chain shape directly influences the packing of hydrophobic core residues within the DesT ligand-binding domain. These changes are propagated to the paired DNA-binding domains via conformational changes to modulate DNA binding. These structural interpretations are supported by the in vitro and in vivo characterization of site-directed mutants. The regulation of DesT by the unsaturated:saturated ratio of acyl chains rather than the concentration of a single ligand is a paradigm for understanding transcriptional regulation of membrane lipid homeostasis.
Structural basis for the transcriptional regulation of membrane lipid homeostasis.,Miller DJ, Zhang YM, Subramanian C, Rock CO, White SW Nat Struct Mol Biol. 2010 Aug;17(8):971-5. Epub 2010 Jul 18. PMID:20639888<ref>PMID:20639888</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3lsp" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Miller, D J]]
[[Category: Pseudomonas aeruginosa]]
[[Category: White, S W]]
[[Category: Miller DJ]]
[[Category: Dest-dna complex]]
[[Category: White SW]]
[[Category: Dna-binding]]
[[Category: Tetr family]]
[[Category: Transcription]]
[[Category: Transcription regulation]]
[[Category: Transcription-dna complex]]
[[Category: Transcriptional repressor]]

Latest revision as of 10:22, 21 February 2024

Crystal Structure of DesT bound to desCB promoter and oleoyl-CoA

3lsp, resolution 2.66Å

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