NAD(P)H dehydrogenase, quinone 2

NQO2
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	1QR2, 1SG0, 1XI2, 1ZX1, 2BZS, 2QMY, 2QMZ, 2QR2, 2QWX, 2QX4, 2QX6, 2QX8, 2QX9, 3FW1, 3G5M, 3GAM, 3NFR, 3NHF, 3NHJ, 3NHK, 3NHL, 3NHP, 3NHR, 3NHS, 3NHU, 3NHW, 3NHY, 3O2N, 3O73, 3OVM, 3OWH, 3OWX, 3OX1, 3OX2, 3OX3, 3TE7, 3TEM, 3TZB, 3UXE, 3UXH, 4FGJ, 4FGK, 4FGL, 4GQI, 4GR9, 4QOD, 4QOE, 4QOF, 4QOG, 4QOH, 4QOI, 4QOJ, 4U7F, 4U7G, 4U7H, 4XDG, 4XDH, 4ZVL, 4ZVM, 4ZVK, 5LBT, 5LBU, 5BUC, 4ZVN
Identifiers
Aliases	NQO2, Nqo2, NMO2, Nmor2, Ox2, DHQV, DIA6, QR2, NAD(P)H quinone dehydrogenase 2, N-ribosyldihydronicotinamide:quinone reductase 2
External IDs	OMIM: 160998 MGI: 104513 HomoloGene: 696 GeneCards: NQO2
Gene location (Human)
Chr.	Chromosome 6 (human)[1]
End	3,019,755 bp[1]
Gene location (Mouse)
Chr.	Chromosome 13 (mouse)[2]
End	33,988,443 bp[2]
RNA expression pattern
	Top expressed in
	kidney tubule; ; kidney; ; blood; ; renal cortex; ; Right lobe of liver; ; gastrocnemius muscle;
	More reference expression data
	More reference expression data
Gene ontology
Molecular function	GO:0001948 protein binding; metal ion binding; dihydronicotinamide riboside quinone reductase activity; zinc ion binding; electron transfer activity; oxidoreductase activity; oxidoreductase activity, acting on other nitrogenous compounds as donors; chloride ion binding; protein homodimerization activity; FAD binding; melatonin binding; resveratrol binding; NAD(P)H dehydrogenase (quinone) activity;
Cellular component	extracellular exosome; nucleoplasm; cytoplasm; cytosol;
Biological process	memory; positive regulation of neuron apoptotic process; positive regulation of vascular associated smooth muscle cell proliferation; positive regulation of ERK1 and ERK2 cascade; positive regulation of reactive oxygen species metabolic process; xenobiotic metabolic process; electron transport chain;
	Sources:Amigo / QuickGO
Orthologs
	4835
	18105
	ENSG00000124588
	ENSMUSG00000046949
	P16083
	Q9JI75
	NM_000904; NM_001290221; NM_001290222; NM_001318940
	NM_001163239; NM_001163241; NM_001163242; NM_020282
	NP_000895; NP_001277150; NP_001277151; NP_001305869
	NP_001156711; NP_001156713; NP_001156714; NP_064678
	Wikidata
View/Edit Human	View/Edit Mouse

NAD(P)H dehydrogenase, quinone 2, also known as QR2, is a protein that in humans is encoded by the NQO2 gene. It is a phase II detoxification enzyme which can carry out two or four electron reductions. Its mechanism of reduction is via a covalently bound zinc ion and a cocrystalized FAD. NQO2 contains two chains homologous in AA sequence but 7% different in structure. As a result, NQO2 contains two similar yet unique active sites. An important function of NQO2 is its activation on NRH. NQO2 can be inhibited by resveratrol.[5] One of QR2's binding sites responds to 2-iodomelatonin, and has been referred to as MT₃.[6]

References

GRCh38: Ensembl release 89: ENSG00000124588 - Ensembl, May 2017
GRCm38: Ensembl release 89: ENSMUSG00000046949 - Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Entrez Gene: NQO2 NAD(P)H dehydrogenase, quinone 2".
Cardinali DP, Delagrange P, Dubocovich ML, Jockers R, Krause DN, Markus RP, Olcese J, Pintor J, Renault N, Sugden D, Tosini G, Zlotos DP (2019). "Melatonin receptors (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database". IUPHAR/BPS Guide to Pharmacology CITE. 2019 (4). doi:10.2218/gtopdb/F39/2019.4.

Jaiswal AK, Burnett P, Adesnik M, McBride OW (1990). "Nucleotide and deduced amino acid sequence of a human cDNA (NQO2) corresponding to a second member of the NAD(P)H:quinone oxidoreductase gene family. Extensive polymorphism at the NQO2 gene locus on chromosome 6". Biochemistry. 29 (7): 1899–906. doi:10.1021/bi00459a034. PMID 1691923.
Jaiswal AK (1994). "Human NAD(P)H:quinone oxidoreductase2. Gene structure, activity, and tissue-specific expression". J. Biol. Chem. 269 (20): 14502–8. doi:10.1016/S0021-9258(17)36651-6. PMID 8182056.
Zhao Q, Yang XL, Holtzclaw WD, Talalay P (1997). "Unexpected genetic and structural relationships of a long-forgotten flavoenzyme to NAD(P)H:quinone reductase (DT-diaphorase)". Proc. Natl. Acad. Sci. U.S.A. 94 (5): 1669–74. Bibcode:1997PNAS...94.1669Z. doi:10.1073/pnas.94.5.1669. PMC 19974. PMID 9050836.
Wu K, Knox R, Sun XZ, et al. (1997). "Catalytic properties of NAD(P)H:quinone oxidoreductase-2 (NQO2), a dihydronicotinamide riboside dependent oxidoreductase". Arch. Biochem. Biophys. 347 (2): 221–8. doi:10.1006/abbi.1997.0344. PMID 9367528.
Foster CE, Bianchet MA, Talalay P, et al. (1999). "Crystal structure of human quinone reductase type 2, a metalloflavoprotein". Biochemistry. 38 (31): 9881–6. doi:10.1021/bi990799v. PMID 10433694.
Jaiswal AK, Bell DW, Radjendirane V, Testa JR (1999). "Localization of human NQO1 gene to chromosome 16q22 and NQO2-6p25 and associated polymorphisms". Pharmacogenetics. 9 (3): 413–8. doi:10.1097/00008571-199906000-00020. PMID 10471077.
Harada S, Fujii C, Hayashi A, Ohkoshi N (2001). "An association between idiopathic Parkinson's disease and polymorphisms of phase II detoxification enzymes: glutathione S-transferase M1 and quinone oxidoreductase 1 and 2". Biochem. Biophys. Res. Commun. 288 (4): 887–92. doi:10.1006/bbrc.2001.5868. PMID 11688992.
Strassburg A, Strassburg CP, Manns MP, Tukey RH (2002). "Differential gene expression of NAD(P)H:quinone oxidoreductase and NRH:quinone oxidoreductase in human hepatocellular and biliary tissue". Mol. Pharmacol. 61 (2): 320–5. doi:10.1124/mol.61.2.320. PMID 11809856.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Okubo T, Harada S, Higuchi S, Matsushita S (2004). "Association analyses between polymorphisms of the phase II detoxification enzymes (GSTM1, NQO1, NQO2) and alcohol withdrawal symptoms". Alcohol. Clin. Exp. Res. 27 (8 Suppl): 68S–71S. doi:10.1097/01.ALC.0000078616.63296.41. PMID 12960511.
Ostrousky O, Meged S, Loewenthal R, et al. (2004). "NQO2 gene is associated with clozapine-induced agranulocytosis". Tissue Antigens. 62 (6): 483–91. doi:10.1046/j.1399-0039.2003.00133.x. PMID 14617031.
Harada S, Tachikawa H, Kawanishi Y (2005). "A possible association between an insertion/deletion polymorphism of the NQO2 gene and schizophrenia". Psychiatr. Genet. 13 (4): 205–9. doi:10.1097/00041444-200312000-00003. PMID 14639047. S2CID 37313428.
Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039. S2CID 21903526.
Kwiek JJ, Haystead TA, Rudolph J (2004). "Kinetic mechanism of quinone oxidoreductase 2 and its inhibition by the antimalarial quinolines". Biochemistry. 43 (15): 4538–47. doi:10.1021/bi035923w. PMID 15078100.
Buryanovskyy L, Fu Y, Boyd M, et al. (2004). "Crystal structure of quinone reductase 2 in complex with resveratrol". Biochemistry. 43 (36): 11417–26. doi:10.1021/bi049162o. PMC 3650734. PMID 15350128.
Wang W, Jaiswal AK (2005). "Sp3 repression of polymorphic human NRH:quinone oxidoreductase 2 gene promoter". Free Radic. Biol. Med. 37 (8): 1231–43. doi:10.1016/j.freeradbiomed.2004.06.042. PMID 15451063.
Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
Hsieh TC, Wang Z, Hamby CV, Wu JM (2005). "Inhibition of melanoma cell proliferation by resveratrol is correlated with upregulation of quinone reductase 2 and p53". Biochem. Biophys. Res. Commun. 334 (1): 223–30. doi:10.1016/j.bbrc.2005.06.073. PMID 15993843.
Fu Y, Buryanovskyy L, Zhang Z (2005). "Crystal structure of quinone reductase 2 in complex with cancer prodrug CB1954". Biochem. Biophys. Res. Commun. 336 (1): 332–8. doi:10.1016/j.bbrc.2005.08.081. PMID 16129418.
Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. Bibcode:2005Natur.437.1173R. doi:10.1038/nature04209. PMID 16189514. S2CID 4427026.

External links

Overview of all the structural information available in the PDB for UniProt: P16083 (Ribosyldihydronicotinamide dehydrogenase [quinone]) at the PDBe-KB.

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[refGRCh38Ensembl-1] GRCh38: Ensembl release 89: ENSG00000124588 - Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000046949 - Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[entrez-5] "Entrez Gene: NQO2 NAD(P)H dehydrogenase, quinone 2".

[6] Cardinali DP, Delagrange P, Dubocovich ML, Jockers R, Krause DN, Markus RP, Olcese J, Pintor J, Renault N, Sugden D, Tosini G, Zlotos DP (2019). "Melatonin receptors (version 2019.4) in the IUPHAR/BPS Guide to Pharmacology Database". IUPHAR/BPS Guide to Pharmacology CITE. 2019 (4). doi:10.2218/gtopdb/F39/2019.4.

NAD(P)H dehydrogenase, quinone 2

References

Further reading

External links