3nhs

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<StructureSection load='3nhs' size='340' side='right'caption='[[3nhs]], [[Resolution|resolution]] 1.78&Aring;' scene=''>
<StructureSection load='3nhs' size='340' side='right'caption='[[3nhs]], [[Resolution|resolution]] 1.78&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3nhs]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NHS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3NHS FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3nhs]] is a 2 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=3NHS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3NHS 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=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=MZX:5,8-DIMETHOXY-4-METHYLQUINOLIN-2(1H)-ONE'>MZX</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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]] 1.78&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3nhf|3nhf]], [[3nhj|3nhj]], [[3nhk|3nhk]], [[3nhl|3nhl]], [[3nhp|3nhp]], [[3nhr|3nhr]], [[3nhu|3nhu]], [[3nhw|3nhw]], [[3nhy|3nhy]], [[3gam|3gam]], [[3g5m|3g5m]]</div></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=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=MZX:5,8-DIMETHOXY-4-METHYLQUINOLIN-2(1H)-ONE'>MZX</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NQO2, NMOR2 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Ribosyldihydronicotinamide_dehydrogenase_(quinone) Ribosyldihydronicotinamide dehydrogenase (quinone)], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.10.99.2 1.10.99.2] </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=3nhs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nhs OCA], [https://pdbe.org/3nhs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3nhs RCSB], [https://www.ebi.ac.uk/pdbsum/3nhs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3nhs ProSAT]</span></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=3nhs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nhs OCA], [https://pdbe.org/3nhs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3nhs RCSB], [https://www.ebi.ac.uk/pdbsum/3nhs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3nhs ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/NQO2_HUMAN NQO2_HUMAN]] The enzyme apparently serves as a quinone reductase in connection with conjugation reactions of hydroquinones involved in detoxification pathways as well as in biosynthetic processes such as the vitamin K-dependent gamma-carboxylation of glutamate residues in prothrombin synthesis.<ref>PMID:18254726</ref>
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[https://www.uniprot.org/uniprot/NQO2_HUMAN NQO2_HUMAN] The enzyme apparently serves as a quinone reductase in connection with conjugation reactions of hydroquinones involved in detoxification pathways as well as in biosynthetic processes such as the vitamin K-dependent gamma-carboxylation of glutamate residues in prothrombin synthesis.<ref>PMID:18254726</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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An efficient method has been developed to synthesize casimiroin (1), a component of the edible fruit of Casimiroa edulis, on a multigram scale in good overall yield. The route was versatile enough to provide an array of compound 1 analogues that were evaluated as QR2 and aromatase inhibitors. In addition, X-ray crystallography studies of QR2 in complex with compound 1 and one of its more potent analogues has provided insight into the mechanism of action of this new series of QR2 inhibitors. The initial biological investigations suggest that compound 1 and its analogues merit further investigation as potential chemopreventive or chemotherapeutic agents.
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Synthesis of Casimiroin and Optimization of Its Quinone Reductase 2 and Aromatase Inhibitory Activities.,Maiti A, Reddy PV, Sturdy M, Marler L, Pegan SD, Mesecar AD, Pezzuto JM, Cushman M J Med Chem. 2009 Mar 6. PMID:19265439<ref>PMID:19265439</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 3nhs" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[Quinone reductase|Quinone reductase]]
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*[[Quinone reductase 3D structures|Quinone reductase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__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: Sturdy, M]]
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[[Category: Sturdy M]]
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[[Category: Oxidoreductase-oxidoreductase inhibitor complex]]
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[[Category: Protein dimer]]
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Current revision

X-ray Crystallographic Structure Activity Relationship (SAR) of Casimiroin and its Analogs Bound to Human Quinone Reductase 2

PDB ID 3nhs

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OCA

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