2yve: Difference between revisions
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
==Crystal structure of the methylene blue-bound form of the multi-drug binding transcriptional repressor CgmR== | ==Crystal structure of the methylene blue-bound form of the multi-drug binding transcriptional repressor CgmR== | ||
<StructureSection load='2yve' size='340' side='right' caption='[[2yve]], [[Resolution|resolution]] 1.40Å' scene=''> | <StructureSection load='2yve' size='340' side='right'caption='[[2yve]], [[Resolution|resolution]] 1.40Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2yve]] is a 2 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2yve]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Corgl Corgl]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2YVE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2YVE FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MBT:3,7-BIS(DIMETHYLAMINO)PHENOTHIAZIN-5-IUM'>MBT</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MBT:3,7-BIS(DIMETHYLAMINO)PHENOTHIAZIN-5-IUM'>MBT</scene></td></tr> | ||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2zoy|2zoy]], [[2zoz|2zoz]], [[2yvh|2yvh]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2zoy|2zoy]], [[2zoz|2zoz]], [[2yvh|2yvh]]</div></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">cgl2612 ([ | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">cgl2612 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=196627 CORGL])</td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2yve FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2yve OCA], [https://pdbe.org/2yve PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2yve RCSB], [https://www.ebi.ac.uk/pdbsum/2yve PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2yve ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
| Line 33: | Line 33: | ||
</StructureSection> | </StructureSection> | ||
[[Category: Corgl]] | [[Category: Corgl]] | ||
[[Category: Large Structures]] | |||
[[Category: Itou, H]] | [[Category: Itou, H]] | ||
[[Category: Shirakihara, Y]] | [[Category: Shirakihara, Y]] | ||
Revision as of 13:40, 8 December 2021
Crystal structure of the methylene blue-bound form of the multi-drug binding transcriptional repressor CgmRCrystal structure of the methylene blue-bound form of the multi-drug binding transcriptional repressor CgmR
Structural highlights
Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedCgmR (CGL2612) from Corynebacterium glutamicum is a multidrug-resistance-related transcription factor belonging to the TetR family, which is a protein family of widespread bacterial transcription factors typically involved in environmental response. Here, we report the crystal structures of CgmR homodimeric repressor in complex with two distinct inducers (1.95 and 1.4 A resolution) and with an operator (2.5 A resolution). The CgmR-operator complex showed that two CgmR dimers bound to the operator, and each half-site of the palindromic operator was asymmetrically recognized by two DNA-binding domains from different dimers on the opposite sides of the DNA. The inducer complexes demonstrated that both bound inducers act as a wedge to alter the operator-binding conformation of the repressor by steric inhibition. As steric hindrance is used, various drugs should act as inducers if they have sufficient volume for the conformation change and if their bindings sufficiently reduce free energy. The comparative structural study of CgmR free protein, in complex with operator, and with inducers, implies the other mechanism that might contribute to multidrug response of the repressor. Crystal Structures of the Multidrug Binding Repressor Corynebacteriumglutamicum CgmR in Complex with Inducers and with an Operator.,Itou H, Watanabe N, Yao M, Shirakihara Y, Tanaka I J Mol Biol. 2010 Aug 5. PMID:20691702[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
|
| ||||||||||||||||||||