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4cbv

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==X-ray structure of full-length ComE from Streptococcus pneumoniae.==
==X-ray structure of full-length ComE from Streptococcus pneumoniae.==
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<StructureSection load='4cbv' size='340' side='right' caption='[[4cbv]], [[Resolution|resolution]] 3.39&Aring;' scene=''>
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<StructureSection load='4cbv' size='340' side='right'caption='[[4cbv]], [[Resolution|resolution]] 3.39&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4cbv]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/"diplococcus_pneumoniae"_(klein_1884)_weichselbaum_1886 "diplococcus pneumoniae" (klein 1884) weichselbaum 1886]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4CBV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4CBV FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4cbv]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptococcus_pneumoniae Streptococcus pneumoniae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4CBV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4CBV FirstGlance]. <br>
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</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>
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</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>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4ml3|4ml3]], [[4mld|4mld]]</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=4cbv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4cbv OCA], [https://pdbe.org/4cbv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4cbv RCSB], [https://www.ebi.ac.uk/pdbsum/4cbv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4cbv ProSAT]</span></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=4cbv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4cbv OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4cbv RCSB], [http://www.ebi.ac.uk/pdbsum/4cbv PDBsum]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[[https://www.uniprot.org/uniprot/Q79CK7_STREE Q79CK7_STREE]]
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Natural transformation contributes to the maintenance and to the evolution of the bacterial genomes. In Streptococcus pneumoniae, this function is reached by achieving the competence state, which is under the control of the ComD-ComE two-component system. We present the crystal and solution structures of ComE. We mimicked the active and non-active states by using the phosphorylated mimetic ComED58E and the unphosphorylatable ComED58A mutants. In the crystal, full-length ComED58A dimerizes through its canonical REC receiver domain but with an atypical mode, which is also adopted by the isolated RECD58A and RECD58E. The LytTR domain adopts a tandem arrangement consistent with the two direct repeats of its promoters. However ComED58A is monomeric in solution, as seen by SAXS, by contrast to ComED58E that dimerizes. For both, a relative mobility between the two domains is assumed. Based on these results we propose two possible ways for activation of ComE by phosphorylation.
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Structural insights into the dimerization of the response regulator ComE from Streptococcus pneumoniae.,Boudes M, Sanchez D, Graille M, van Tilbeurgh H, Durand D, Quevillon-Cheruel S Nucleic Acids Res. 2014 Feb 5. PMID:24500202<ref>PMID:24500202</ref>
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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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==See Also==
==See Also==
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*[[Response regulator|Response regulator]]
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*[[Response regulator 3D structure|Response regulator 3D structure]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Boudes, M]]
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[[Category: Large Structures]]
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[[Category: Durand, D]]
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[[Category: Streptococcus pneumoniae]]
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[[Category: Graille, M]]
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[[Category: Boudes M]]
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[[Category: Quevillon-Cheruel, S]]
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[[Category: Durand D]]
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[[Category: Tilbeurgh, H van]]
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[[Category: Graille M]]
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[[Category: Natural genetic transformation]]
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[[Category: Quevillon-Cheruel S]]
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[[Category: Rec domain]]
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[[Category: Van Tilbeurgh H]]
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[[Category: Transcription]]
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[[Category: Transcription factor]]
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Current revision

X-ray structure of full-length ComE from Streptococcus pneumoniae.

PDB ID 4cbv

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