2g9w

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[[Image:2g9w.png|left|200px]]
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==Crystal Structure of Rv1846c, a Putative Transcriptional Regulatory Protein of Mycobacterium Tuberculosis==
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<StructureSection load='2g9w' size='340' side='right' caption='[[2g9w]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2g9w]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G9W OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2G9W FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene><br>
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<tr><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><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Rv1846c ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1773 Mycobacterium tuberculosis])</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2g9w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g9w OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2g9w RCSB], [http://www.ebi.ac.uk/pdbsum/2g9w PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/g9/2g9w_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Comparative genomics with Staphylococcus aureus suggested the existence of a regulatory system governing beta-lactamase (BlaC) production in Mycobacterium tuberculosis. The crystal structure of Rv1846c, a winged helix regulator of previously unknown function, was solved thus revealing strong similarity to the BlaI and MecI repressors of S. aureus, which both respond to beta-lactam treatment. Using chromatin immunoprecipitation and hybridization to microarrays (ChIP-on-chip), the Rv1846c regulon was shown to comprise five separate genomic loci. Two of these mediate responses and resistance to beta-lactam antibiotics (rv1845c, rv1846c-rv1847; blaC-sigC); two encode membrane proteins of unknown function (rv1456c, rv3921c) while the last codes for ATP synthase (rv1303-atpBEFHAGDC-rv1312). The ChIP-on-chip findings were confirmed independently using electrophoretic mobility shift assays, DNAse footprinting and transcript analysis leading to Rv1846c being renamed BlaI. When cells were treated with beta-lactams, BlaI was released from its operator sites causing derepression of the regulon and upregulation of ATP synthase transcription. The existence of a potential regulatory loop between cell wall integrity and ATP production was previously unknown.
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{{STRUCTURE_2g9w| PDB=2g9w | SCENE= }}
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Genome-wide regulon and crystal structure of BlaI (Rv1846c) from Mycobacterium tuberculosis.,Sala C, Haouz A, Saul FA, Miras I, Rosenkrands I, Alzari PM, Cole ST Mol Microbiol. 2009 Mar;71(5):1102-16. Epub 2009 Jan 16. PMID:19154333<ref>PMID:19154333</ref>
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===Crystal Structure of Rv1846c, a Putative Transcriptional Regulatory Protein of Mycobacterium Tuberculosis===
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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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{{ABSTRACT_PUBMED_19154333}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2g9w]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G9W OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:019154333</ref><references group="xtra"/>
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[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Alzari, P M.]]
[[Category: Alzari, P M.]]

Revision as of 08:23, 30 September 2014

Crystal Structure of Rv1846c, a Putative Transcriptional Regulatory Protein of Mycobacterium Tuberculosis

2g9w, resolution 1.80Å

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