1naq

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[[Image:1naq.gif|left|200px]]
 
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{{Structure
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==Crystal structure of CUTA1 from E.coli at 1.7 A resolution==
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|PDB= 1naq |SIZE=350|CAPTION= <scene name='initialview01'>1naq</scene>, resolution 1.70&Aring;
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<StructureSection load='1naq' size='340' side='right'caption='[[1naq]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=HG:MERCURY+(II)+ION'>HG</scene> and <scene name='pdbligand=MBO:MERCURIBENZOIC ACID'>MBO</scene>
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<table><tr><td colspan='2'>[[1naq]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NAQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1NAQ FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.7&#8491;</td></tr>
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|GENE= CUTA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HG:MERCURY+(II)+ION'>HG</scene>, <scene name='pdbligand=MBO:MERCURIBENZOIC+ACID'>MBO</scene></td></tr>
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}}
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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=1naq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1naq OCA], [https://pdbe.org/1naq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1naq RCSB], [https://www.ebi.ac.uk/pdbsum/1naq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1naq ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CUTA_ECOLI CUTA_ECOLI] Involved in resistance toward heavy metals.<ref>PMID:7623666</ref>
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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/na/1naq_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=1naq ConSurf].
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<div style="clear:both"></div>
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'''Crystal structure of CUTA1 from E.coli at 1.7 A resolution'''
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==See Also==
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*[[CutA1 3D structures|CutA1 3D structures]]
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== References ==
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==Overview==
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<references/>
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CutA1 are a protein family present in bacteria, plants, and animals, including humans. Escherichia coli CutA1 is involved in copper tolerance, whereas mammalian proteins are implicated in the anchoring of acetylcholinesterase in neuronal cell membranes. The x-ray structures of CutA1 from E. coli and rat were determined. Both proteins are trimeric in the crystals and in solution through an inter-subunit beta-sheet formation. Each subunit consists of a ferredoxin-like (beta1alpha1beta2beta3alpha2beta4) fold with an additional strand (beta5), a C-terminal helix (alpha3), and an unusual extended beta-hairpin involving strands beta2 and beta3. The bacterial CutA1 is able to bind copper(II) in vitro through His2Cys coordination in a type II water-accessible site, whereas the rat protein precipitates in the presence of copper(II). The evolutionarily conserved trimeric assembly of CutA1 is reminiscent of the architecture of PII signal transduction proteins. This similarity suggests an intriguing role of CutA1 proteins in signal transduction through allosteric communications between subunits.
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__TOC__
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</StructureSection>
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==About this Structure==
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1NAQ 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=1NAQ OCA].
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==Reference==
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The evolutionarily conserved trimeric structure of CutA1 proteins suggests a role in signal transduction., Arnesano F, Banci L, Benvenuti M, Bertini I, Calderone V, Mangani S, Viezzoli MS, J Biol Chem. 2003 Nov 14;278(46):45999-6006. Epub 2003 Aug 29. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12949080 12949080]
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Banci, L.]]
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[[Category: Banci L]]
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[[Category: Benvenuti, M.]]
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[[Category: Benvenuti M]]
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[[Category: Bertini, I.]]
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[[Category: Bertini I]]
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[[Category: Calderone, V.]]
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[[Category: Calderone V]]
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[[Category: Mangani, S.]]
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[[Category: Mangani S]]
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[[Category: SPINE, Structural Proteomics in Europe.]]
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[[Category: Viezzoli MS]]
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[[Category: Viezzoli, M S.]]
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[[Category: HG]]
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[[Category: MBO]]
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[[Category: copper resistance]]
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[[Category: cuta]]
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[[Category: spine]]
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[[Category: structural genomic]]
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[[Category: structural proteomics in europe]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 12:54:20 2008''
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Current revision

Crystal structure of CUTA1 from E.coli at 1.7 A resolution

PDB ID 1naq

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