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2nq9

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==High resolution crystal structure of Escherichia coli endonuclease IV (Endo IV) Y72A mutant bound to damaged DNA==
==High resolution crystal structure of Escherichia coli endonuclease IV (Endo IV) Y72A mutant bound to damaged DNA==
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<StructureSection load='2nq9' size='340' side='right' caption='[[2nq9]], [[Resolution|resolution]] 1.45&Aring;' scene=''>
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<StructureSection load='2nq9' size='340' side='right'caption='[[2nq9]], [[Resolution|resolution]] 1.45&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2nq9]] is a 4 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=2NQ9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2NQ9 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2nq9]] is a 4 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=2NQ9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NQ9 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=ZN:ZINC+ION'>ZN</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]] 1.45&#8491;</td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=3DR:1,2-DIDEOXYRIBOFURANOSE-5-PHOSPHATE'>3DR</scene></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=3DR:1,2-DIDEOXYRIBOFURANOSE-5-PHOSPHATE'>3DR</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">nfo ([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=2nq9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nq9 OCA], [https://pdbe.org/2nq9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2nq9 RCSB], [https://www.ebi.ac.uk/pdbsum/2nq9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2nq9 ProSAT]</span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Deoxyribonuclease_IV_(phage-T(4)-induced) Deoxyribonuclease IV (phage-T(4)-induced)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.21.2 3.1.21.2] </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=2nq9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nq9 OCA], [http://pdbe.org/2nq9 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2nq9 RCSB], [http://www.ebi.ac.uk/pdbsum/2nq9 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2nq9 ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/END4_ECOLI END4_ECOLI]] Endonuclease IV plays a role in DNA repair. It cleaves phosphodiester bonds at apurinic or apyrimidinic sites (AP sites) to produce new 5'-ends that are base-free deoxyribose 5-phosphate residues. It preferentially attacks modified AP sites created by bleomycin and neocarzinostatin.
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[https://www.uniprot.org/uniprot/END4_ECOLI END4_ECOLI] Endonuclease IV plays a role in DNA repair. It cleaves phosphodiester bonds at apurinic or apyrimidinic sites (AP sites) to produce new 5'-ends that are base-free deoxyribose 5-phosphate residues. It preferentially attacks modified AP sites created by bleomycin and neocarzinostatin.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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==See Also==
==See Also==
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*[[Endonuclease|Endonuclease]]
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*[[Apurinic/apyrimidinic endonuclease 3D structures|Apurinic/apyrimidinic endonuclease 3D structures]]
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*[[Endonuclease 3D structures|Endonuclease 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: Garcin-Hosfield, E D]]
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[[Category: Large Structures]]
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[[Category: Hosfield, D J]]
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[[Category: Garcin-Hosfield ED]]
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[[Category: Tainer, J A]]
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[[Category: Hosfield DJ]]
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[[Category: Hydrolase-dna complex]]
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[[Category: Tainer JA]]
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[[Category: Tim-barrel]]
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[[Category: Trinuclear zn active site]]
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High resolution crystal structure of Escherichia coli endonuclease IV (Endo IV) Y72A mutant bound to damaged DNA

PDB ID 2nq9

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