1l8i

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[[Image:1l8i.gif|left|200px]]
 
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{{Structure
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==Dna Protection and Binding by E. Coli DPS Protein==
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|PDB= 1l8i |SIZE=350|CAPTION= <scene name='initialview01'>1l8i</scene>, resolution 3.00&Aring;
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<StructureSection load='1l8i' size='340' side='right'caption='[[1l8i]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene>
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<table><tr><td colspan='2'>[[1l8i]] 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=1L8I OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1L8I 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&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</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=1l8i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1l8i OCA], [https://pdbe.org/1l8i PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1l8i RCSB], [https://www.ebi.ac.uk/pdbsum/1l8i PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1l8i ProSAT]</span></td></tr>
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|RELATEDENTRY=[[1dps|1DPS]], [[1f33|1F33]], [[1f30|1F30]], [[1jre|1JRE]], [[1l8h|1L8H]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1l8i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1l8i OCA], [http://www.ebi.ac.uk/pdbsum/1l8i PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1l8i RCSB]</span>
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== Function ==
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}}
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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/l8/1l8i_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=1l8i ConSurf].
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<div style="clear:both"></div>
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'''Dna Protection and Binding by E. Coli DPS Protein'''
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==See Also==
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*[[Ferritin 3D structures|Ferritin 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1L8I 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=1L8I OCA].
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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: Fox, R O.]]
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[[Category: Fox RO]]
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[[Category: Liu, D.]]
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[[Category: Liu D]]
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[[Category: Luo, J.]]
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[[Category: Luo J]]
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[[Category: White, M A.]]
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[[Category: White MA]]
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[[Category: dodecamer]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:59:34 2008''
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Current revision

Dna Protection and Binding by E. Coli DPS Protein

PDB ID 1l8i

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