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5btl

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==Crystal structure of a topoisomerase II complex==
==Crystal structure of a topoisomerase II complex==
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<StructureSection load='5btl' size='340' side='right' caption='[[5btl]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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<StructureSection load='5btl' size='340' side='right'caption='[[5btl]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5btl]] is a 8 chain structure with sequence from [http://en.wikipedia.org/wiki/ ], [http://en.wikipedia.org/wiki/Mycto Mycto] and [http://en.wikipedia.org/wiki/Myctu Myctu]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5BTL OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5BTL FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5btl]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis_CDC1551 Mycobacterium tuberculosis CDC1551], [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis_H37Rv Mycobacterium tuberculosis H37Rv] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5BTL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5BTL 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=8MX:1-CYCLOPROPYL-6-FLUORO-8-METHYL-7-[(4AS,7AS)-OCTAHYDRO-6H-PYRROLO[3,4-B]PYRIDIN-6-YL]-4-OXO-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC+ACID'>8MX</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</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]] 2.5&#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=PTR:O-PHOSPHOTYROSINE'>PTR</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=8MX:1-CYCLOPROPYL-6-FLUORO-8-METHYL-7-[(4AS,7AS)-OCTAHYDRO-6H-PYRROLO[3,4-B]PYRIDIN-6-YL]-4-OXO-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC+ACID'>8MX</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PTR:O-PHOSPHOTYROSINE'>PTR</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">gyrA, Rv0006, MTCY10H4.04 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83332 MYCTU]), gyrB, MT0005 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83331 MYCTO])</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=5btl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5btl OCA], [https://pdbe.org/5btl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5btl RCSB], [https://www.ebi.ac.uk/pdbsum/5btl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5btl 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/DNA_topoisomerase_(ATP-hydrolyzing) DNA topoisomerase (ATP-hydrolyzing)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.99.1.3 5.99.1.3] </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=5btl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5btl OCA], [http://pdbe.org/5btl PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5btl RCSB], [http://www.ebi.ac.uk/pdbsum/5btl PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5btl ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/GYRA_MYCTU GYRA_MYCTU]] DNA gyrase negatively supercoils closed circular double-stranded DNA in an ATP-dependent manner and also catalyzes the interconversion of other topological isomers of double-stranded DNA rings, including catenanes and knotted rings. [[http://www.uniprot.org/uniprot/GYRB_MYCTO GYRB_MYCTO]] A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner.[HAMAP-Rule:MF_01898]
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[https://www.uniprot.org/uniprot/GYRA_MYCTU GYRA_MYCTU] DNA gyrase negatively supercoils closed circular double-stranded DNA in an ATP-dependent manner and also catalyzes the interconversion of other topological isomers of double-stranded DNA rings, including catenanes and knotted rings.
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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</div>
</div>
<div class="pdbe-citations 5btl" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 5btl" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Gyrase 3D Structures|Gyrase 3D Structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Mycto]]
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[[Category: Large Structures]]
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[[Category: Myctu]]
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[[Category: Mycobacterium tuberculosis CDC1551]]
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[[Category: Berger, J M]]
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[[Category: Mycobacterium tuberculosis H37Rv]]
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[[Category: Blower, T R]]
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[[Category: Synthetic construct]]
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[[Category: Kerns, R J]]
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[[Category: Berger JM]]
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[[Category: Williamson, B H]]
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[[Category: Blower TR]]
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[[Category: Isomerase-dna complex]]
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[[Category: Kerns RJ]]
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[[Category: Protein-dna complex]]
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[[Category: Williamson BH]]
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[[Category: Topoisomerase ii]]
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Current revision

Crystal structure of a topoisomerase II complex

PDB ID 5btl

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