1aoy

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[[Image:1aoy.jpg|left|200px]]
 
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==N-TERMINAL DOMAIN OF ESCHERICHIA COLI ARGININE REPRESSOR NMR, 23 STRUCTURES==
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The line below this paragraph, containing "STRUCTURE_1aoy", creates the "Structure Box" on the page.
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<StructureSection load='1aoy' size='340' side='right'caption='[[1aoy]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1aoy]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AOY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1AOY FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1aoy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1aoy OCA], [https://pdbe.org/1aoy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1aoy RCSB], [https://www.ebi.ac.uk/pdbsum/1aoy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1aoy ProSAT]</span></td></tr>
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{{STRUCTURE_1aoy| PDB=1aoy | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ARGR_ECOLI ARGR_ECOLI] Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes. It also binds to a specific site in cer locus. Thus it is essential for cer-mediated site-specific recombination in ColE1. It is necessary for monomerization of the plasmid ColE1.
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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/ao/1aoy_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/main_output.php?pdb_ID=1aoy ConSurf].
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<div style="clear:both"></div>
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'''N-TERMINAL DOMAIN OF ESCHERICHIA COLI ARGININE REPRESSOR NMR, 23 STRUCTURES'''
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==See Also==
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*[[Arginine repressor 3D structures|Arginine repressor 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The structure of the monomeric DNA-binding domain of the Escherichia coli arginine repressor, ArgR, determined by NMR spectroscopy, shows structural homology to the winged helix-turn-helix (wHTH) family, a motif found in a diverse class of proteins including both gene regulators and gene organizers from prokaryotes and eukaryotes. Biochemical data on DNA binding by intact ArgR are used as constraints to position the domain on its DNA target and to derive a model for the hexamer-DNA complex using the known structure of the L-arginine-binding domain. The structural independence of the wHTH fold may be important for multimeric DNA-binding proteins that contact extended DNA regions with imperfect match to consensus sequences, a feature of many wHTH-domain proteins.
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[[Category: Escherichia coli K-12]]
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[[Category: Large Structures]]
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==About this Structure==
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[[Category: Nilges M]]
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1AOY is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AOY OCA].
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[[Category: Otting G]]
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[[Category: Sunnerhagen M]]
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==Reference==
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Solution structure of the DNA-binding domain and model for the complex of multifunctional hexameric arginine repressor with DNA., Sunnerhagen M, Nilges M, Otting G, Carey J, Nat Struct Biol. 1997 Oct;4(10):819-26. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9334747 9334747]
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[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Nilges, M.]]
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[[Category: Otting, G.]]
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[[Category: Sunnerhagen, M.]]
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[[Category: Dna organization]]
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[[Category: Dna-binding protein]]
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[[Category: Expression regulation]]
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[[Category: Winged helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 10:32:04 2008''
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Current revision

N-TERMINAL DOMAIN OF ESCHERICHIA COLI ARGININE REPRESSOR NMR, 23 STRUCTURES

PDB ID 1aoy

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