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==X-ray Crystallographic Structure Activity Relationship (SAR) of Casimiroin and its Analogs Bound to Human Quinone Reductase 2==
==X-ray Crystallographic Structure Activity Relationship (SAR) of Casimiroin and its Analogs Bound to Human Quinone Reductase 2==
<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 ==
<table><tr><td colspan='2'>[[3nhs]] is a 2 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=3NHS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3NHS FirstGlance]. <br>
<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>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><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>
</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>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3nhf|3nhf]], [[3nhj|3nhj]], [[3nhk|3nhk]], [[3nhl|3nhl]], [[3nhp|3nhp]], [[3nhr|3nhr]], [[3nhu|3nhu]], [[3nhw|3nhw]], [[3nhy|3nhy]], [[3gam|3gam]], [[3g5m|3g5m]]</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>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NQO2, NMOR2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Ribosyldihydronicotinamide_dehydrogenase_(quinone) Ribosyldihydronicotinamide dehydrogenase (quinone)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.10.99.2 1.10.99.2] </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=3nhs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nhs OCA], [http://pdbe.org/3nhs PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3nhs RCSB], [http://www.ebi.ac.uk/pdbsum/3nhs PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3nhs ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://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>
[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>  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.


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>
==See Also==
 
*[[Quinone reductase 3D structures|Quinone reductase 3D structures]]
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3nhs" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Sturdy, M]]
[[Category: Large Structures]]
[[Category: Oxidoreductase-oxidoreductase inhibitor complex]]
[[Category: Sturdy M]]
[[Category: Protein dimer]]
Retrieved from "https://proteopedia.org/3nhs"