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[[Image:3ere.png|left|200px]]


{{STRUCTURE_3ere| PDB=3ere | SCENE= }}
==Crystal structure of the arginine repressor protein from Mycobacterium tuberculosis in complex with the DNA operator==
<StructureSection load='3ere' size='340' side='right'caption='[[3ere]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[3ere]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis_H37Rv Mycobacterium tuberculosis H37Rv]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ERE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ERE FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.5&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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=3ere FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ere OCA], [https://pdbe.org/3ere PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ere RCSB], [https://www.ebi.ac.uk/pdbsum/3ere PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ere ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/ARGR_MYCTU ARGR_MYCTU] Regulates arginine biosynthesis genes (By similarity).
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/er/3ere_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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/main_output.php?pdb_ID=3ere ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The arginine repressor (ArgR) from Mycobacterium tuberculosis (Mtb) is a gene product encoded by the open reading frame Rv1657. It regulates the L-arginine concentration in cells by interacting with ARG boxes in the promoter regions of the arginine biosynthesis and catabolism operons. Here we present a 2.5-A structure of MtbArgR in complex with a 16-bp DNA operator in the absence of arginine. A biological trimer of the protein-DNA complex is formed via the crystallographic 3-fold symmetry axis. The N-terminal domain of MtbArgR has a winged helix-turn-helix motif that binds to the major groove of the DNA. This structure shows that, in the absence of arginine, the ArgR trimer can bind three ARG box half-sites. It also reveals the structure of the whole MtbArgR molecule itself containing both N-terminal and C-terminal domains.


===Crystal structure of the arginine repressor protein from Mycobacterium tuberculosis in complex with the DNA operator===
Crystal structure of the arginine repressor protein in complex with the DNA operator from Mycobacterium tuberculosis.,Cherney LT, Cherney MM, Garen CR, Lu GJ, James MN J Mol Biol. 2008 Dec 31;384(5):1330-40. Epub 2008 Oct 15. PMID:18952097<ref>PMID:18952097</ref>


{{ABSTRACT_PUBMED_18952097}}
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
==About this Structure==
<div class="pdbe-citations 3ere" style="background-color:#fffaf0;"></div>
[[3ere]] is a 3 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=3ERE OCA].


==See Also==
==See Also==
*[[Arginine repressor 3D structures|Arginine repressor 3D structures]]
*[[Tomato aspermy virus protein 2b Suppression of RNA Silencing|Tomato aspermy virus protein 2b Suppression of RNA Silencing]]
*[[Tomato aspermy virus protein 2b Suppression of RNA Silencing|Tomato aspermy virus protein 2b Suppression of RNA Silencing]]
*[[User:Wayne Decatur/Tomato aspermy virus protein 2b Suppression of RNA Silencing|User:Wayne Decatur/Tomato aspermy virus protein 2b Suppression of RNA Silencing]]
== References ==
 
<references/>
==Reference==
__TOC__
<ref group="xtra">PMID:018952097</ref><references group="xtra"/>
</StructureSection>
[[Category: Mycobacterium tuberculosis]]
[[Category: Large Structures]]
[[Category: Cherney, L T.]]
[[Category: Mycobacterium tuberculosis H37Rv]]
[[Category: Cherney, M M.]]
[[Category: Cherney LT]]
[[Category: Garen, C R.]]
[[Category: Cherney MM]]
[[Category: James, M N.]]
[[Category: Garen CR]]
[[Category: Lu, G J.]]
[[Category: James MN]]
[[Category: TBSGC, TB Structural Genomics Consortium.]]
[[Category: Lu GJ]]
[[Category: Amino-acid biosynthesis]]
[[Category: Arginine biosynthesis]]
[[Category: Arginine repressor protein]]
[[Category: Argr-operator complex]]
[[Category: Dna binding]]
[[Category: Dna binding protein-dna complex]]
[[Category: Dna-binding]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Structural genomic]]
[[Category: Tb structural genomic]]
[[Category: Tb structural genomics consortium]]
[[Category: Tbsgc]]
[[Category: Transcription]]
[[Category: Transcription regulation]]
Retrieved from "https://proteopedia.org/3ere"