|
|
| (One intermediate revision not shown.) |
| Line 1: |
Line 1: |
| | | | |
| | ==Structure of a Putative transcription factor (PA1374)from Pseudomonas aeruginosa== | | ==Structure of a Putative transcription factor (PA1374)from Pseudomonas aeruginosa== |
| - | <StructureSection load='4gcv' size='340' side='right' caption='[[4gcv]], [[Resolution|resolution]] 2.30Å' scene=''> | + | <StructureSection load='4gcv' size='340' side='right'caption='[[4gcv]], [[Resolution|resolution]] 2.30Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[4gcv]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseae Pseae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GCV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4GCV FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[4gcv]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa_PAO1 Pseudomonas aeruginosa PAO1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GCV OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4GCV FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</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]] 2.3Å</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> | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PA1374 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=208964 PSEAE])</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=4gcv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4gcv OCA], [https://pdbe.org/4gcv PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4gcv RCSB], [https://www.ebi.ac.uk/pdbsum/4gcv PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4gcv ProSAT]</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=4gcv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4gcv OCA], [http://pdbe.org/4gcv PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4gcv RCSB], [http://www.ebi.ac.uk/pdbsum/4gcv PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4gcv ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | + | == Function == |
| | + | [https://www.uniprot.org/uniprot/Q9I3X0_PSEAE Q9I3X0_PSEAE] |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
| Line 22: |
Line 23: |
| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Pseae]] | + | [[Category: Large Structures]] |
| - | [[Category: Choe, J]] | + | [[Category: Pseudomonas aeruginosa PAO1]] |
| - | [[Category: Kim, H]] | + | [[Category: Choe J]] |
| - | [[Category: Dna binding]] | + | [[Category: Kim H]] |
| - | [[Category: Helex-turn-helex]]
| + | |
| - | [[Category: Transcription]]
| + | |
| - | [[Category: Transcription factor]]
| + | |
| Structural highlights
Function
Q9I3X0_PSEAE
Publication Abstract from PubMed
Members of the multiple antibiotic resistance regulator (MarR) family regulate the expression of genes related to antibiotic resistance, oxidative stress, and virulence in bacteria and Archaea. Here, we determined the structure of PA1374 from Pseudomonas aeruginosa at 2.3A resolution. PA1374 belonged to the MarR family and its structure revealed a tightly bound dimer with each subunit containing a winged helix-turn-helix (wHTH) DNA-binding motif. Conserved arginine residues, Arg55, Arg74, and Arg77, were located in the wHTH region, which might be important to DNA binding. Furthermore, each monomer contained a pocket made of conserved hydrophobic residues. A highly conserved Cys11 located at one end of this pocket may undergo oxidation by organic hydroperoxide molecules, as shown in other MarR family proteins acting as redox-sensing regulators. These results provide insights about the role of PA1374 as a putative oxidative-stress sensing transcriptional regulator.
The X-ray crystal structure of PA1374 from Pseudomonas aeruginosa, a putative oxidative-stress sensing transcriptional regulator.,Kim H, Choe J Biochem Biophys Res Commun. 2013 Feb 15;431(3):376-81. doi:, 10.1016/j.bbrc.2013.01.044. Epub 2013 Jan 18. PMID:23337505[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Kim H, Choe J. The X-ray crystal structure of PA1374 from Pseudomonas aeruginosa, a putative oxidative-stress sensing transcriptional regulator. Biochem Biophys Res Commun. 2013 Feb 15;431(3):376-81. doi:, 10.1016/j.bbrc.2013.01.044. Epub 2013 Jan 18. PMID:23337505 doi:10.1016/j.bbrc.2013.01.044
|
