3fof

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[[Image:3fof.png|left|200px]]
 
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==Structural insight into the quinolone-DNA cleavage complex of type IIA topoisomerases==
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The line below this paragraph, containing "STRUCTURE_3fof", creates the "Structure Box" on the page.
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<StructureSection load='3fof' size='340' side='right'caption='[[3fof]], [[Resolution|resolution]] 4.00&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3fof]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptococcus_pneumoniae Streptococcus pneumoniae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FOF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3FOF FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 4&#8491;</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=MFX:1-CYCLOPROPYL-6-FLUORO-8-METHOXY-7-[(4AS,7AS)-OCTAHYDRO-6H-PYRROLO[3,4-B]PYRIDIN-6-YL]-4-OXO-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC+ACID'>MFX</scene></td></tr>
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{{STRUCTURE_3fof| PDB=3fof | SCENE= }}
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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=3fof FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3fof OCA], [https://pdbe.org/3fof PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3fof RCSB], [https://www.ebi.ac.uk/pdbsum/3fof PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3fof ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PARC_STRPN PARC_STRPN] Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule.<ref>PMID:17375187</ref> <ref>PMID:20596531</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/fo/3fof_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=3fof ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Type II topoisomerases alter DNA topology by forming a covalent DNA-cleavage complex that allows DNA transport through a double-stranded DNA break. We present the structures of cleavage complexes formed by the Streptococcus pneumoniae ParC breakage-reunion and ParE TOPRIM domains of topoisomerase IV stabilized by moxifloxacin and clinafloxacin, two antipneumococcal fluoroquinolones. These structures reveal two drug molecules intercalated at the highly bent DNA gate and help explain antibacterial quinolone action and resistance.
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===Structural insight into the quinolone-DNA cleavage complex of type IIA topoisomerases===
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Structural insight into the quinolone-DNA cleavage complex of type IIA topoisomerases.,Laponogov I, Sohi MK, Veselkov DA, Pan XS, Sawhney R, Thompson AW, McAuley KE, Fisher LM, Sanderson MR Nat Struct Mol Biol. 2009 Jun;16(6):667-9. Epub 2009 May 17. PMID:19448616<ref>PMID:19448616</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_19448616}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 3fof" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 19448616 is the PubMed ID number.
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{{ABSTRACT_PUBMED_19448616}}
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==About this Structure==
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[[3fof]] is a 8 chain structure of [[Topoisomerase]] with sequence from [http://en.wikipedia.org/wiki/Streptococcus_pneumoniae Streptococcus pneumoniae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3FOF OCA].
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==See Also==
==See Also==
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*[[Topoisomerase]]
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*[[Topoisomerase 3D structures|Topoisomerase 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:19448616</ref><references group="xtra"/>
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__TOC__
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[[Category: Streptococcus pneumoniae]]
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</StructureSection>
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[[Category: Fisher, L M.]]
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[[Category: Large Structures]]
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[[Category: Laponogov, I.]]
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[[Category: McAuley, K E.]]
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[[Category: Pan, X S.]]
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[[Category: Sanderson, M R.]]
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[[Category: Sawhney, R.]]
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[[Category: Sohi, M K.]]
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[[Category: Thompson, A W.]]
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[[Category: Veselkov, D A.]]
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[[Category: Atp-binding]]
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[[Category: Cell membrane]]
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[[Category: Dna]]
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[[Category: Dna-binding]]
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[[Category: Isomerase]]
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[[Category: Isomerase/dna complex]]
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[[Category: Membrane]]
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[[Category: Moxifloxacin]]
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[[Category: Nucleotide-binding]]
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[[Category: Protein-dna cleavage complex]]
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[[Category: Quinolone]]
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[[Category: Streptococcus pneumoniae]]
[[Category: Streptococcus pneumoniae]]
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[[Category: Topoisomerase]]
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[[Category: Fisher LM]]
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[[Category: Laponogov I]]
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[[Category: McAuley KE]]
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[[Category: Pan X-S]]
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[[Category: Sanderson MR]]
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[[Category: Sawhney R]]
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[[Category: Sohi MK]]
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[[Category: Thompson AW]]
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[[Category: Veselkov DA]]

Current revision

Structural insight into the quinolone-DNA cleavage complex of type IIA topoisomerases

PDB ID 3fof

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