1f30

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[[Image:1f30.png|left|200px]]
 
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{{STRUCTURE_1f30| PDB=1f30 | SCENE= }}
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==THE STRUCTURAL BASIS FOR DNA PROTECTION BY E. COLI DPS PROTEIN==
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<StructureSection load='1f30' size='340' side='right'caption='[[1f30]], [[Resolution|resolution]] 2.85&Aring;' scene=''>
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===THE STRUCTURAL BASIS FOR DNA PROTECTION BY E. COLI DPS PROTEIN===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1f30]] is a 12 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=1F30 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1F30 FirstGlance]. <br>
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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]] 2.85&#8491;</td></tr>
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==About this Structure==
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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[[1f30]] is a 12 chain structure with 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=1F30 OCA].
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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=1f30 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f30 OCA], [https://pdbe.org/1f30 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1f30 RCSB], [https://www.ebi.ac.uk/pdbsum/1f30 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1f30 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DPS_ECOLI DPS_ECOLI] During stationary phase, binds the chromosome non-specifically, forming a highly ordered and stable dps-DNA co-crystal within which chromosomal DNA is condensed and protected from diverse damages. It protects DNA from oxidative damage by sequestering intracellular Fe(2+) ion and storing it in the form of Fe(3+) oxyhydroxide mineral, which can be released after reduction. One hydrogen peroxide oxidizes two Fe(2+) ions, which prevents hydroxyl radical production by the Fenton reaction. Dps also protects the cell from UV and gamma irradiation, iron and copper toxicity, thermal stress and acid and base shocks. Also shows a weak catalase activity.<ref>PMID:1340475</ref> <ref>PMID:10403254</ref> <ref>PMID:15205421</ref> <ref>PMID:15534364</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/f3/1f30_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=1f30 ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
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*[[Ferritin|Ferritin]]
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*[[Ferritin 3D structures|Ferritin 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:011402022</ref><ref group="xtra">PMID:016345079</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Fox, R O.]]
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[[Category: Large Structures]]
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[[Category: Liu, D.]]
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[[Category: Fox RO]]
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[[Category: Luo, J.]]
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[[Category: Liu D]]
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[[Category: White, M A.]]
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[[Category: Luo J]]
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[[Category: Dna binding protein]]
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[[Category: White MA]]
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[[Category: Dodecamer]]
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Current revision

THE STRUCTURAL BASIS FOR DNA PROTECTION BY E. COLI DPS PROTEIN

PDB ID 1f30

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