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==Crystal Structure of the Ligand Binding Domain of E. coli IclR.==
==Crystal Structure of the Ligand Binding Domain of E. coli IclR.==
<StructureSection load='1td5' size='340' side='right' caption='[[1td5]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
<StructureSection load='1td5' size='340' side='right'caption='[[1td5]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1td5]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TD5 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1TD5 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1td5]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TD5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TD5 FirstGlance]. <br>
</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</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]] 2.3&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1t9l|1t9l]], [[1tf1|1tf1]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ICLR, B4018 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</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=1td5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1td5 OCA], [https://pdbe.org/1td5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1td5 RCSB], [https://www.ebi.ac.uk/pdbsum/1td5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1td5 ProSAT], [https://www.topsan.org/Proteins/MCSG/1td5 TOPSAN]</span></td></tr>
<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=1td5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1td5 OCA], [http://pdbe.org/1td5 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1td5 RCSB], [http://www.ebi.ac.uk/pdbsum/1td5 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1td5 ProSAT], [http://www.topsan.org/Proteins/MCSG/1td5 TOPSAN]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/ICLR_ECOLI ICLR_ECOLI]] Regulation of the glyoxylate bypass operon (aceBAK), which encodes isocitrate lyase, malate synthase as well as isocitrate dehydrogenase kinase/phosphorylase. Glyoxylate disrupts the interaction with the promoter by favoring the inactive dimeric form. Pyruvate enhances promoter binding by stabilizing the tetrameric form.  
[https://www.uniprot.org/uniprot/ICLR_ECOLI ICLR_ECOLI] Regulation of the glyoxylate bypass operon (aceBAK), which encodes isocitrate lyase, malate synthase as well as isocitrate dehydrogenase kinase/phosphorylase. Glyoxylate disrupts the interaction with the promoter by favoring the inactive dimeric form. Pyruvate enhances promoter binding by stabilizing the tetrameric form.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/td/1td5_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/td/1td5_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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=1td5 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=1td5 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
==See Also==
*[[Transcriptional activator 3D structures|Transcriptional activator 3D structures]]
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Bacillus coli migula 1895]]
[[Category: Escherichia coli]]
[[Category: Arrowsmith, C]]
[[Category: Large Structures]]
[[Category: Bochkarev, A]]
[[Category: Arrowsmith C]]
[[Category: Edwards, A]]
[[Category: Bochkarev A]]
[[Category: Evdokimova, L]]
[[Category: Edwards A]]
[[Category: Joachimiak, A]]
[[Category: Evdokimova L]]
[[Category: Structural genomic]]
[[Category: Joachimiak A]]
[[Category: Savchenko, A]]
[[Category: Savchenko A]]
[[Category: Walker, J R]]
[[Category: Walker JR]]
[[Category: Zhang, R G]]
[[Category: Zhang R-G]]
[[Category: Alpha/beta domain]]
[[Category: Ligand binding domain]]
[[Category: Mcsg]]
[[Category: PSI, Protein structure initiative]]
[[Category: Transcription]]
[[Category: Transcription regulator]]

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