2qfi

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[[Image:2qfi.gif|left|200px]]
 
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{{Structure
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==Structure of the zinc transporter YiiP==
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|PDB= 2qfi |SIZE=350|CAPTION= <scene name='initialview01'>2qfi</scene>, resolution 3.80&Aring;
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<StructureSection load='2qfi' size='340' side='right'caption='[[2qfi]], [[Resolution|resolution]] 3.80&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene>
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<table><tr><td colspan='2'>[[2qfi]] is a 2 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=2QFI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QFI 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]] 3.8&#8491;</td></tr>
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|GENE= fieF ([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=ZN:ZINC+ION'>ZN</scene></td></tr>
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|DOMAIN=
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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=2qfi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qfi OCA], [https://pdbe.org/2qfi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qfi RCSB], [https://www.ebi.ac.uk/pdbsum/2qfi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qfi ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2qfi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qfi OCA], [http://www.ebi.ac.uk/pdbsum/2qfi PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2qfi RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/FIEF_ECOLI FIEF_ECOLI] Iron-efflux transporter responsible for iron detoxification. Also able to transport Zn(2+) in a proton-dependent manner.<ref>PMID:15549269</ref>
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== Evolutionary Conservation ==
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'''Structure of the zinc transporter YiiP'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qf/2qfi_consurf.spt"</scriptWhenChecked>
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YiiP is a membrane transporter that catalyzes Zn2+/H+ exchange across the inner membrane of Escherichia coli. Mammalian homologs of YiiP play critical roles in zinc homeostasis and cell signaling. Here, we report the x-ray structure of YiiP in complex with zinc at 3.8 angstrom resolution. YiiP is a homodimer held together in a parallel orientation through four Zn2+ ions at the interface of the cytoplasmic domains, whereas the two transmembrane domains swing out to yield a Y-shaped structure. In each protomer, the cytoplasmic domain adopts a metallochaperone-like protein fold; the transmembrane domain features a bundle of six transmembrane helices and a tetrahedral Zn2+ binding site located in a cavity that is open to both the membrane outer leaflet and the periplasm.
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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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==About this Structure==
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</jmolCheckbox>
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2QFI 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=2QFI OCA].
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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=2qfi ConSurf].
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<div style="clear:both"></div>
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==Reference==
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== References ==
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Structure of the zinc transporter YiiP., Lu M, Fu D, Science. 2007 Sep 21;317(5845):1746-8. Epub 2007 Aug 23. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17717154 17717154]
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<references/>
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__TOC__
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</StructureSection>
[[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: Lu, M.]]
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[[Category: Lu M]]
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[[Category: transport protein]]
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[[Category: zinc transporter]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:48:49 2008''
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Current revision

Structure of the zinc transporter YiiP

PDB ID 2qfi

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