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==Inhibitor-stabilized topoisomerase IV-DNA cleavage complex (S. pneumoniae)==
==Inhibitor-stabilized topoisomerase IV-DNA cleavage complex (S. pneumoniae)==
<StructureSection load='3ltn' size='340' side='right' caption='[[3ltn]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
<StructureSection load='3ltn' size='340' side='right'caption='[[3ltn]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3ltn]] is a 8 chain structure 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=3LTN OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3LTN FirstGlance]. <br>
<table><tr><td colspan='2'>[[3ltn]] 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=3LTN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LTN FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PDQ:3-AMINO-7-{(3R)-3-[(1S)-1-AMINOETHYL]PYRROLIDIN-1-YL}-1-CYCLOPROPYL-6-FLUORO-8-METHYLQUINAZOLINE-2,4(1H,3H)-DIONE'>PDQ</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.1&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2nov|2nov]], [[3fof|3fof]], [[3foe|3foe]], [[3k9f|3k9f]], [[3ksa|3ksa]], [[3ksb|3ksb]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PDQ:3-AMINO-7-{(3R)-3-[(1S)-1-AMINOETHYL]PYRROLIDIN-1-YL}-1-CYCLOPROPYL-6-FLUORO-8-METHYLQUINAZOLINE-2,4(1H,3H)-DIONE'>PDQ</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ParC ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1313 Streptococcus pneumoniae]), ParE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1313 Streptococcus pneumoniae])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ltn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ltn OCA], [https://pdbe.org/3ltn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ltn RCSB], [https://www.ebi.ac.uk/pdbsum/3ltn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ltn ProSAT]</span></td></tr>
<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=3ltn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ltn OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3ltn RCSB], [http://www.ebi.ac.uk/pdbsum/3ltn PDBsum]</span></td></tr>
</table>
</table>
== Function ==
[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>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/lt/3ltn_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/lt/3ltn_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata 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=3ltn ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
<div class="pdbe-citations 3ltn" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Topoisomerase|Topoisomerase]]
*[[Topoisomerase 3D structures|Topoisomerase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Streptococcus pneumoniae]]
[[Category: Streptococcus pneumoniae]]
[[Category: Fisher, L M]]
[[Category: Fisher LM]]
[[Category: Laponogov, I]]
[[Category: Laponogov I]]
[[Category: McAuley, K E]]
[[Category: McAuley KE]]
[[Category: Pan, X S]]
[[Category: Pan X-S]]
[[Category: Sanderson, M R]]
[[Category: Sanderson MR]]
[[Category: Veselkov, D A]]
[[Category: Veselkov DA]]
[[Category: Cleaved form]]
[[Category: Dione]]
[[Category: Dna-binding]]
[[Category: Isomerase-dna complex]]
[[Category: Protein-dna cleavage complex]]
[[Category: Quinolone]]
[[Category: Topoisomerase]]
[[Category: Topoisomerase-dna complex]]

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