3qx3

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==Human topoisomerase IIbeta in complex with DNA and etoposide==
==Human topoisomerase IIbeta in complex with DNA and etoposide==
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<StructureSection load='3qx3' size='340' side='right' caption='[[3qx3]], [[Resolution|resolution]] 2.16&Aring;' scene=''>
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<StructureSection load='3qx3' size='340' side='right'caption='[[3qx3]], [[Resolution|resolution]] 2.16&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3qx3]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QX3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3QX3 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3qx3]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QX3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3QX3 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=EVP:(5S,5AR,8AR,9R)-9-(4-HYDROXY-3,5-DIMETHOXYPHENYL)-8-OXO-5,5A,6,8,8A,9-HEXAHYDROFURO[3,4 6,7]NAPHTHO[2,3-D][1,3]DIOXOL-5-YL+4,6-O-[(1R)-ETHYLIDENE]-BETA-D-GLUCOPYRANOSIDE'>EVP</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]] 2.162&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3qxk|3qxk]]</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=EVP:(5S,5AR,8AR,9R)-9-(4-HYDROXY-3,5-DIMETHOXYPHENYL)-8-OXO-5,5A,6,8,8A,9-HEXAHYDROFURO[3,4 6,7]NAPHTHO[2,3-D][1,3]DIOXOL-5-YL+4,6-O-[(1R)-ETHYLIDENE]-BETA-D-GLUCOPYRANOSIDE'>EVP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TOP2B ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</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=3qx3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qx3 OCA], [https://pdbe.org/3qx3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3qx3 RCSB], [https://www.ebi.ac.uk/pdbsum/3qx3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3qx3 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=3qx3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qx3 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3qx3 RCSB], [http://www.ebi.ac.uk/pdbsum/3qx3 PDBsum]</span></td></tr>
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</table>
</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TOP2B_HUMAN TOP2B_HUMAN] Control of topological states of DNA by transient breakage and subsequent rejoining of DNA strands. Topoisomerase II makes double-strand breaks. Indirectly involved in vitamin D-coupled transcription regulation via its association with the WINAC complex, a chromatin-remodeling complex recruited by vitamin D receptor (VDR), which is required for the ligand-bound VDR-mediated transrepression of the CYP27B1 gene.<ref>PMID:10684600</ref> <ref>PMID:12837248</ref>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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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>
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<div class="pdbe-citations 3qx3" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Topoisomerase|Topoisomerase]]
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*[[Topoisomerase 3D structures|Topoisomerase 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Chan, N L]]
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[[Category: Large Structures]]
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[[Category: Chiang, C W]]
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[[Category: Chan NL]]
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[[Category: Farh, L]]
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[[Category: Chiang CW]]
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[[Category: Li, T K]]
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[[Category: Farh L]]
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[[Category: Lin, L Y]]
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[[Category: Li TK]]
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[[Category: Lin, T S]]
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[[Category: Lin LY]]
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[[Category: Wu, C C]]
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[[Category: Lin TS]]
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[[Category: Yen, T J]]
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[[Category: Wu CC]]
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[[Category: Yu, Y J]]
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[[Category: Yen TJ]]
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[[Category: Coiled-coil domain]]
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[[Category: Yu YJ]]
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[[Category: Dna binding and cleavage]]
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[[Category: Isomerase-dna-isomerase inhibitor complex]]
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[[Category: Nucleus]]
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[[Category: Toprim domain]]
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[[Category: Winged-helix domain]]
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Current revision

Human topoisomerase IIbeta in complex with DNA and etoposide

PDB ID 3qx3

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