6jmd

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<StructureSection load='6jmd' size='340' side='right'caption='[[6jmd]], [[Resolution|resolution]] 1.78&Aring;' scene=''>
<StructureSection load='6jmd' size='340' side='right'caption='[[6jmd]], [[Resolution|resolution]] 1.78&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6jmd]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6JMD OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6JMD FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6jmd]] is a 1 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=6JMD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6JMD FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=BVO:3-[3,5-bis(fluoranyl)-4-[3-(hydroxymethyl)phenyl]phenyl]benzo[f]benzotriazole-4,9-dione'>BVO</scene>, <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=LDA:LAURYL+DIMETHYLAMINE-N-OXIDE'>LDA</scene>, <scene name='pdbligand=ORO:OROTIC+ACID'>ORO</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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]] 1.781&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">DHODH ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=BVO:3-[3,5-bis(fluoranyl)-4-[3-(hydroxymethyl)phenyl]phenyl]benzo[f]benzotriazole-4,9-dione'>BVO</scene>, <scene name='pdbligand=FMN:FLAVIN+MONONUCLEOTIDE'>FMN</scene>, <scene name='pdbligand=LDA:LAURYL+DIMETHYLAMINE-N-OXIDE'>LDA</scene>, <scene name='pdbligand=ORO:OROTIC+ACID'>ORO</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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/Dihydroorotate_dehydrogenase_(quinone) Dihydroorotate dehydrogenase (quinone)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.5.2 1.3.5.2] </span></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=6jmd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6jmd OCA], [https://pdbe.org/6jmd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6jmd RCSB], [https://www.ebi.ac.uk/pdbsum/6jmd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6jmd ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6jmd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6jmd OCA], [http://pdbe.org/6jmd PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6jmd RCSB], [http://www.ebi.ac.uk/pdbsum/6jmd PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6jmd ProSAT]</span></td></tr>
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</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/PYRD_HUMAN PYRD_HUMAN]] Defects in DHODH are the cause of postaxial acrofacial dysostosis (POADS) [MIM:[http://omim.org/entry/263750 263750]]; also known as Miller syndrome. POADS is characterized by severe micrognathia, cleft lip and/or palate, hypoplasia or aplasia of the posterior elements of the limbs, coloboma of the eyelids and supernumerary nipples. POADS is a very rare disorder: only 2 multiplex families, each consisting of 2 affected siblings born to unaffected, nonconsanguineous parents, have been described among a total of around 30 reported cases.<ref>PMID:19915526</ref>
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[https://www.uniprot.org/uniprot/PYRD_HUMAN PYRD_HUMAN] Defects in DHODH are the cause of postaxial acrofacial dysostosis (POADS) [MIM:[https://omim.org/entry/263750 263750]; also known as Miller syndrome. POADS is characterized by severe micrognathia, cleft lip and/or palate, hypoplasia or aplasia of the posterior elements of the limbs, coloboma of the eyelids and supernumerary nipples. POADS is a very rare disorder: only 2 multiplex families, each consisting of 2 affected siblings born to unaffected, nonconsanguineous parents, have been described among a total of around 30 reported cases.<ref>PMID:19915526</ref>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PYRD_HUMAN PYRD_HUMAN]] Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor.
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[https://www.uniprot.org/uniprot/PYRD_HUMAN PYRD_HUMAN] Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Human dihydroorotate dehydrogenase (hDHODH) is an attractive target for cancer therapy. Based on its crystal structure, we designed and synthesized a focused compound library containing the structural moiety of 1,4-benzoquinone, which possesses reactive oxygen species (ROS) induction capacity. Compound 3s with a naphtho[2,3-d][1,2,3]triazole-4,9-dione scaffold exhibited inhibitory activity against hDHODH. Further optimization led to compounds 11k and 11l, which inhibited hDHODH activity with IC50 values of 9 and 4.5 nM, respectively. Protein-ligand cocrystal structures clearly depicted hydrogen bond and hydrophobic interactions of 11k and 11l with hDHODH. Compounds 11k and 11l significantly inhibited leukemia cell and solid tumor cell proliferation and induced ROS production, mitochondrial dysfunction, apoptosis, and cell cycle arrest. Nanocrystallization of compound 11l displayed significant in vivo antitumor effects in the Raji xenograft model. Overall, this study provides a novel bifunctional compound 11l with hDHODH inhibition and ROS induction efficacy, which represents a promising anticancer lead worthy of further exploration.
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Bifunctional Naphtho[2,3-d][1,2,3]triazole-4,9-dione Compounds Exhibit Antitumor Effects In Vitro and In Vivo by Inhibiting Dihydroorotate Dehydrogenase and Inducing Reactive Oxygen Species Production.,Zuo Z, Liu X, Qian X, Zeng T, Sang N, Liu H, Zhou Y, Tao L, Zhou X, Su N, Yu Y, Chen Q, Luo Y, Zhao Y J Med Chem. 2020 Jul 23;63(14):7633-7652. doi: 10.1021/acs.jmedchem.0c00512. Epub, 2020 Jul 1. PMID:32496056<ref>PMID:32496056</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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<div class="pdbe-citations 6jmd" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Chen, Q]]
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[[Category: Chen Q]]
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[[Category: Yu, Y]]
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[[Category: Yu Y]]
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[[Category: Complex]]
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[[Category: Dhodh]]
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[[Category: Inhibitor]]
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[[Category: Oxidoreductase]]
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[[Category: Oxidoreductase-oxidoreductase inhibitor complex]]
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Current revision

Crystal structure of human DHODH in complex with inhibitor 1223

PDB ID 6jmd

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