1f33

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==THE STRUCTURAL BASIS FOR DNA PROTECTION BY E. COLI DPS PROTEIN==
==THE STRUCTURAL BASIS FOR DNA PROTECTION BY E. COLI DPS PROTEIN==
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<StructureSection load='1f33' size='340' side='right' caption='[[1f33]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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<StructureSection load='1f33' size='340' side='right'caption='[[1f33]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1f33]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1F33 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1F33 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1f33]] 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=1F33 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1F33 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
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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]] 2.6&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1dps|1dps]], [[1f30|1f30]]</td></tr>
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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></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">DPS ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</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=1f33 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f33 OCA], [https://pdbe.org/1f33 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1f33 RCSB], [https://www.ebi.ac.uk/pdbsum/1f33 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1f33 ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1f33 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1f33 OCA], [http://pdbe.org/1f33 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1f33 RCSB], [http://www.ebi.ac.uk/pdbsum/1f33 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1f33 ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://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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[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>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1f33 ConSurf].
</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=1f33 ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
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==See Also==
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*[[Ferritin 3D structures|Ferritin 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bacillus coli migula 1895]]
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[[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 1f33

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