1b9m

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<StructureSection load='1b9m' size='340' side='right'caption='[[1b9m]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
<StructureSection load='1b9m' size='340' side='right'caption='[[1b9m]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1b9m]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B9M OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1B9M FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1b9m]] is a 2 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=1B9M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1B9M 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=NI:NICKEL+(II)+ION'>NI</scene></td></tr>
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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]] 1.75&#8491;</td></tr>
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<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>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene></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=1b9m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b9m OCA], [http://pdbe.org/1b9m PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1b9m RCSB], [http://www.ebi.ac.uk/pdbsum/1b9m PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1b9m ProSAT]</span></td></tr>
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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=1b9m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b9m OCA], [https://pdbe.org/1b9m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1b9m RCSB], [https://www.ebi.ac.uk/pdbsum/1b9m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1b9m ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MODE_ECOLI MODE_ECOLI]] The ModE-Mo complex acts as a repressor of the modABC operon, involved in the transport of molybdate. Upon binding molybdate, the conformation of the protein changes, promoting dimerization of ModE-Mo. The protein dimer is then competent to bind a DNA region, upstream of the modABC operon, which contains an 8-base inverted repeat 5'-TAACGTTA-3' flanked by two CAT boxes. Acts also as an enhancer of the expression of genes coding for molybdoenzymes, both directly and indirectly. ModE also interacts with tungstate.
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[https://www.uniprot.org/uniprot/MODE_ECOLI MODE_ECOLI] The ModE-Mo complex acts as a repressor of the modABC operon, involved in the transport of molybdate. Upon binding molybdate, the conformation of the protein changes, promoting dimerization of ModE-Mo. The protein dimer is then competent to bind a DNA region, upstream of the modABC operon, which contains an 8-base inverted repeat 5'-TAACGTTA-3' flanked by two CAT boxes. Acts also as an enhancer of the expression of genes coding for molybdoenzymes, both directly and indirectly. ModE also interacts with tungstate.
== 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/b9/1b9m_consurf.spt"</scriptWhenChecked>
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/b9/1b9m_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<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>
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</div>
</div>
<div class="pdbe-citations 1b9m" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 1b9m" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Transcriptional activator 3D structures|Transcriptional activator 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Gourley, D G]]
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[[Category: Gourley DG]]
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[[Category: Hall, D R]]
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[[Category: Hall DR]]
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[[Category: Hunter, W N]]
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[[Category: Hunter WN]]
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[[Category: Dna-binding]]
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[[Category: Gene regulation]]
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[[Category: Molybdate]]
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[[Category: Ob fold]]
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[[Category: Transcription]]
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[[Category: Winged helix turn helix]]
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Current revision

REGULATOR FROM ESCHERICHIA COLI

PDB ID 1b9m

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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