DB code: S00343

CATH domain 3.40.50.360 : Rossmann fold Catalytic domain
E.C. 1.6.5.2
CSA 1d4a
M-CSA 1d4a
MACiE M0003

CATH domain Related DB codes (homologues)
3.40.50.360 : Rossmann fold S00522 M00006 M00154

Uniprot Enzyme Name
UniprotKB Protein name Synonyms RefSeq Pfam
P15559 NAD(P)H dehydrogenase [quinone] 1
EC 1.6.5.2
Quinone reductase 1
NAD(P)H:quinone oxidoreductase 1
QR1
DT-diaphorase
DTD
Azoreductase
Phylloquinone reductase
Menadione reductase
NP_000894.1 (Protein)
NM_000903.2 (DNA/RNA sequence)
NP_001020604.1 (Protein)
NM_001025433.1 (DNA/RNA sequence)
NP_001020605.1 (Protein)
NM_001025434.1 (DNA/RNA sequence)
PF02525 (Flavodoxin_2)
[Graphical View]
Q64669 NAD(P)H dehydrogenase [quinone] 1
EC 1.6.5.2
Quinone reductase 1
NAD(P)H:quinone oxidoreductase 1
QR1
DT-diaphorase
DTD
Azoreductase
Phylloquinone reductase
Menadione reductase
NP_032732.3 (Protein)
NM_008706.5 (DNA/RNA sequence)
PF02525 (Flavodoxin_2)
[Graphical View]
P05982 NAD(P)H dehydrogenase [quinone] 1
EC 1.6.5.2
Quinone reductase 1
NAD(P)H:quinone oxidoreductase 1
QR1
DT-diaphorase
DTD
Azoreductase
Phylloquinone reductase
Menadione reductase
NP_058696.2 (Protein)
NM_017000.3 (DNA/RNA sequence)
PF02525 (Flavodoxin_2)
[Graphical View]

KEGG enzyme name
NAD(P)H dehydrogenase (quinone)
menadione reductase
phylloquinone reductase
quinone reductase
dehydrogenase, reduced nicotinamide adenine dinucleotide (phosphate,quinone)
DT-diaphorase
flavoprotein NAD(P)H-quinone reductase
menadione oxidoreductase
NAD(P)H dehydrogenase
NAD(P)H menadione reductase
NAD(P)H-quinone dehydrogenase
NAD(P)H-quinone oxidoreductase
NAD(P)H: (quinone-acceptor)oxidoreductase
NAD(P)H: menadione oxidoreductase
NADH-menadione reductase
naphthoquinone reductase
p-benzoquinone reductase
reduced NAD(P)H dehydrogenase
viologen accepting pyridine nucleotide oxidoreductase
vitamin K reductase
diaphorase
reduced nicotinamide-adenine dinucleotide (phosphate) dehydrogenase
vitamin-K reductase
NAD(P)H2 dehydrogenase (quinone)
NQO1
QR1
NAD(P)H:(quinone-acceptor) oxidoreductase

UniprotKB: Accession Number Entry name Activity Subunit Subcellular location Cofactor
P15559 NQO1_HUMAN NAD(P)H + a quinone = NAD(P)(+) + a hydroquinone. Homodimer. Cytoplasm. FAD.
Q64669 NQO1_MOUSE NAD(P)H + a quinone = NAD(P)(+) + a hydroquinone. Homodimer (By similarity). Cytoplasm. FAD.
P05982 NQO1_RAT NAD(P)H + a quinone = NAD(P)(+) + a hydroquinone. Homodimer. Cytoplasm. FAD.

KEGG Pathways
Map code Pathways E.C.
MAP00100 Biosynthesis of steroids

Compound table
Cofactors Substrates Products Intermediates
KEGG-id C00016 C00038 C00005 C00004 C00080 C00472 C00006 C00003 C00530
E.C.
Compound FAD Zinc NADPH NADH H+ Quinone NADP+ NAD+ Hydroquinone
Type amide group,amine group,aromatic ring (only carbon atom),aromatic ring (with nitrogen atoms),carbohydrate,nucleotide heavy metal amide group,amine group,nucleotide amide group,amine group,nucleotide others aromatic ring (only carbon atom) amide group,amine group,nucleotide amide group,amine group,nucleotide aromatic ring (only carbon atom)
ChEBI 16238
16238
29105
29105
16474
16474
16908
16908
15378
15378
16509
16509
18009
18009
15846
15846
17594
17594
PubChem 643975
643975
32051
32051
5884
5884
439153
439153
1038
1038
4650
4650
5886
5886
5893
5893
785
785
1d4aA Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1d4aB Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1d4aC Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1d4aD Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dxoA Bound:FAD Unbound Unbound Unbound Analogue:DQN Unbound Unbound Unbound
1dxoB Bound:FAD Unbound Unbound Unbound Analogue:DQN Unbound Unbound Unbound
1dxoC Bound:FAD Unbound Unbound Unbound Analogue:2xDQN Unbound Unbound Unbound
1dxoD Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dxqA Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dxqB Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dxqC Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dxqD Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1gg5A Bound:FAD Unbound Unbound Unbound Analogue:E09 Unbound Unbound Unbound
1gg5B Bound:FAD Unbound Unbound Unbound Analogue:E09 Unbound Unbound Unbound
1gg5C Bound:FAD Unbound Unbound Unbound Analogue:E09 Unbound Unbound Unbound
1gg5D Bound:FAD Unbound Unbound Unbound Analogue:E09 Unbound Unbound Unbound
1h66A Bound:FAD Unbound Unbound Unbound Analogue:RH1 Unbound Unbound Unbound
1h66B Bound:FAD Unbound Unbound Unbound Analogue:RH1 Unbound Unbound Unbound
1h66C Bound:FAD Unbound Unbound Unbound Analogue:RH1 Unbound Unbound Unbound
1h66D Bound:FAD Unbound Unbound Unbound Analogue:RH1 Unbound Unbound Unbound
1h69A Bound:FAD Unbound Unbound Unbound Analogue:ARH Unbound Unbound Unbound
1h69B Bound:FAD Unbound Unbound Unbound Analogue:ARH Unbound Unbound Unbound
1h69C Bound:FAD Unbound Unbound Unbound Analogue:ARH Unbound Unbound Unbound
1h69D Bound:FAD Unbound Unbound Unbound Analogue:ARH Unbound Unbound Unbound
1kboA Bound:FAD Unbound Unbound Unbound Analogue:340 Unbound Unbound Unbound
1kboB Bound:FAD Unbound Unbound Unbound Analogue:340 Unbound Unbound Unbound
1kboC Bound:FAD Unbound Unbound Unbound Analogue:340 Unbound Unbound Unbound
1kboD Bound:FAD Unbound Unbound Unbound Analogue:340 Unbound Unbound Unbound
1kbqA Bound:FAD Unbound Unbound Unbound Analogue:936 Unbound Unbound Unbound
1kbqB Bound:FAD Unbound Unbound Unbound Analogue:936 Unbound Unbound Unbound
1kbqC Bound:FAD Unbound Unbound Unbound Analogue:936 Unbound Unbound Unbound
1kbqD Bound:FAD Unbound Unbound Unbound Analogue:936 Unbound Unbound Unbound
1qbgA Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1qbgB Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1qbgC Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1qbgD Bound:FAD Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1qrdA Bound:FAD Unbound Unbound Unbound Analogue:DQN Unbound Unbound Unbound
1qrdB Bound:FAD Unbound Unbound Unbound Analogue:DQN Unbound Unbound Unbound

Reference for Active-site residues
resource references E.C.
PDB;1h66 & literature [3]

Active-site residues
PDB Catalytic residues Cofactor-binding residues Modified residues Main-chain involved in catalysis Comment
1d4aA GLY 149;TYR 155;HIS 161
1d4aB GLY 149;TYR 155;HIS 161
1d4aC GLY 149;TYR 155;HIS 161
1d4aD GLY 149;TYR 155;HIS 161
1dxoA GLY 149;TYR 155;HIS 161
1dxoB GLY 149;TYR 155;HIS 161
1dxoC GLY 149;TYR 155;HIS 161
1dxoD GLY 149;TYR 155;HIS 161
1dxqA GLY 149;TYR 155;HIS 161
1dxqB GLY 149;TYR 155;HIS 161
1dxqC GLY 149;TYR 155;HIS 161
1dxqD GLY 149;TYR 155;HIS 161
1gg5A GLY 149;TYR 155;HIS 161
1gg5B GLY 149;TYR 155;HIS 161
1gg5C GLY 149;TYR 155;HIS 161
1gg5D GLY 149;TYR 155;HIS 161
1h66A GLY 149;TYR 155;HIS 161
1h66B GLY 149;TYR 155;HIS 161
1h66C GLY 149;TYR 155;HIS 161
1h66D GLY 149;TYR 155;HIS 161
1h69A GLY 149;TYR 155;HIS 161
1h69B GLY 149;TYR 155;HIS 161
1h69C GLY 149;TYR 155;HIS 161
1h69D GLY 149;TYR 155;HIS 161
1kboA GLY 149;TYR 155;HIS 161
1kboB GLY 149;TYR 155;HIS 161
1kboC GLY 149;TYR 155;HIS 161
1kboD GLY 149;TYR 155;HIS 161
1kbqA GLY 149;TYR 155;HIS 161
1kbqB GLY 149;TYR 155;HIS 161
1kbqC GLY 149;TYR 155;HIS 161
1kbqD GLY 149;TYR 155;HIS 161
1qbgA GLY 149;TYR 155;HIS 161
1qbgB GLY 149;TYR 155;HIS 161
1qbgC GLY 149;TYR 155;HIS 161
1qbgD GLY 149;TYR 155;HIS 161
1qrdA GLY 149;TYR 155;HIS 161
1qrdB GLY 149;TYR 155;HIS 161

References for Catalytic Mechanism
References Sections No. of steps in catalysis
[3]
Fig.8, p.8849-8850
[6]
p.612-614
[7]
p.9985-9986
[10]
p.278-279
[13]
Fig.1, Fig.4, p.130-131
[14]
p.244
[15]
p.664-665
[19]
Fig.8

References
[1]
Resource
Comments
Medline ID
PubMed ID 1510975
Journal Biochemistry
Year 1992
Volume 31
Pages 7879-85
Authors Siegel D, Beall H, Senekowitsch C, Kasai M, Arai H, Gibson NW, Ross D
Title Bioreductive activation of mitomycin C by DT-diaphorase.
Related PDB
Related UniProtKB
[2]
Resource
Comments
Medline ID
PubMed ID 7530954
Journal Biochem Pharmacol
Year 1995
Volume 49
Pages 127-40
Authors Cadenas E
Title Antioxidant and prooxidant functions of DT-diaphorase in quinone metabolism.
Related PDB
Related UniProtKB
[3]
Resource
Comments X-ray crystallography
Medline ID
PubMed ID 7568029
Journal Proc Natl Acad Sci U S A
Year 1995
Volume 92
Pages 8846-50
Authors Li R, Bianchet MA, Talalay P, Amzel LM
Title The three-dimensional structure of NAD(P)H:quinone reductase, a flavoprotein involved in cancer chemoprotection and chemotherapy: mechanism of the two-electron reduction.
Related PDB 1qrd
Related UniProtKB
[4]
Resource
Comments
Medline ID
PubMed ID 8999809
Journal J Biol Chem
Year 1997
Volume 272
Pages 1437-9
Authors Chen S, Knox R, Wu K, Deng PS, Zhou D, Bianchet MA, Amzel LM
Title Molecular basis of the catalytic differences among DT-diaphorase of human, rat, and mouse.
Related PDB
Related UniProtKB
[5]
Resource
Comments
Medline ID
PubMed ID 9050836
Journal Proc Natl Acad Sci U S A
Year 1997
Volume 94
Pages 1669-74
Authors Zhao Q, Yang XL, Holtzclaw WD, Talalay P
Title Unexpected genetic and structural relationships of a long-forgotten flavoenzyme to NAD(P)H:quinone reductase (DT-diaphorase).
Related PDB
Related UniProtKB
[6]
Resource
Comments
Medline ID
PubMed ID 10917652
Journal Biochem Soc Trans
Year 1999
Volume 27
Pages 610-5
Authors Bianchet MA, Foster C, Faig M, Talalay P, Amzel LM
Title Structure and mechanism of cytosolic quinone reductases.
Related PDB
Related UniProtKB
[7]
Resource
Comments X-ray crystallography
Medline ID
PubMed ID 10433694
Journal Biochemistry
Year 1999
Volume 38
Pages 9881-6
Authors Foster CE, Bianchet MA, Talalay P, Zhao Q, Amzel LM
Title Crystal structure of human quinone reductase type 2, a metalloflavoprotein.
Related PDB 1qr2 2qr2
Related UniProtKB
[8]
Resource
Comments X-ray crystallography
Medline ID
PubMed ID 10543876
Journal J Med Chem
Year 1999
Volume 42
Pages 4325-30
Authors Skelly JV, Sanderson MR, Suter DA, Baumann U, Read MA, Gregory DS, Bennett M, Hobbs SM, Neidle S
Title Crystal structure of human DT-diaphorase: a model for interaction with the cytotoxic prodrug 5-(aziridin-1-yl)-2,4-dinitrobenzamide (CB1954).
Related PDB 1qbg
Related UniProtKB
[9]
Resource
Comments
Medline ID
PubMed ID 10419545
Journal Mol Pharmacol
Year 1999
Volume 56
Pages 272-8
Authors Chen S, Wu K, Zhang D, Sherman M, Knox R, Yang CS
Title Molecular characterization of binding of substrates and inhibitors to DT-diaphorase: combined approach involving site-directed mutagenesis, inhibitor-binding analysis, and computer modeling.
Related PDB
Related UniProtKB
[10]
Resource
Comments
Medline ID
PubMed ID 11035256
Journal Free Radic Biol Med
Year 2000
Volume 29
Pages 276-84
Authors Chen S, Wu K, Knox R
Title Structure-function studies of DT-diaphorase (NQO1) and NRH: quinone oxidoreductase (NQO2).
Related PDB
Related UniProtKB
[11]
Resource
Comments
Medline ID
PubMed ID 10877993
Journal Front Biosci
Year 2000
Volume 5
Pages D639-48
Authors Beall HD, Winski SI
Title Mechanisms of action of quinone-containing alkylating agents. I: NQO1-directed drug development.
Related PDB
Related UniProtKB
[12]
Resource
Comments X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS).
Medline ID 20202608
PubMed ID 10706635
Journal Proc Natl Acad Sci U S A
Year 2000
Volume 97
Pages 3177-82
Authors Faig M, Bianchet MA, Talalay P, Chen S, Winski S, Ross D, Amzel LM
Title Structures of recombinant human and mouse NAD(P)H:quinone oxidoreductases: species comparison and structural changes with substrate binding and release.
Related PDB 1d4a 1dxo 1dxq
Related UniProtKB P15559
[13]
Resource
Comments
Medline ID
PubMed ID 10694883
Journal Trends Biochem Sci
Year 2000
Volume 25
Pages 126-32
Authors Fraaije MW, Mattevi A
Title Flavoenzymes: diverse catalysts with recurrent features.
Related PDB
Related UniProtKB
[14]
Resource
Comments
Medline ID
PubMed ID 11035252
Journal Free Radic Biol Med
Year 2000
Volume 29
Pages 241-5
Authors Foster CE, Bianchet MA, Talalay P, Faig M, Amzel LM
Title Structures of mammalian cytosolic quinone reductases.
Related PDB
Related UniProtKB
[15]
Resource
Comments X-ray crystallography
Medline ID
PubMed ID 11587640
Journal Structure (Camb)
Year 2001
Volume 9
Pages 659-67
Authors Faig M, Bianchet MA, Winski S, Hargreaves R, Moody CJ, Hudnott AR, Ross D, Amzel LM
Title Structure-based development of anticancer drugs: complexes of NAD(P)H:quinone oxidoreductase 1 with chemotherapeutic quinones.
Related PDB 1gg5 1h66 1h69
Related UniProtKB
[16]
Resource
Comments X-ray crystallography
Medline ID
PubMed ID 11735396
Journal Biochemistry
Year 2001
Volume 40
Pages 15135-42
Authors Winski SL, Faig M, Bianchet MA, Siegel D, Swann E, Fung K, Duncan MW, Moody CJ, Amzel LM, Ross D
Title Characterization of a mechanism-based inhibitor of NAD(P)H:quinone oxidoreductase 1 by biochemical, X-ray crystallographic, and mass spectrometric approaches.
Related PDB 1kbo 1kbq
Related UniProtKB
[17]
Resource
Comments
Medline ID
PubMed ID 11340659
Journal Proteins
Year 2001
Volume 43
Pages 420-32
Authors Cavelier G, Amzel LM
Title Mechanism of NAD(P)H:quinone reductase: Ab initio studies of reduced flavin.
Related PDB
Related UniProtKB
[18]
Resource
Comments
Medline ID
PubMed ID 12147263
Journal Arch Biochem Biophys
Year 2002
Volume 404
Pages 254-62
Authors Anusevicius Z, Sarlauskas J, Cenas N
Title Two-electron reduction of quinones by rat liver NAD(P)H:quinone oxidoreductase: quantitative structure-activity relationships.
Related PDB
Related UniProtKB
[19]
Resource
Comments
Medline ID
PubMed ID 15078100
Journal Biochemistry
Year 2004
Volume 43
Pages 4538-47
Authors Kwiek JJ, Haystead TA, Rudolph J
Title Kinetic mechanism of quinone oxidoreductase 2 and its inhibition by the antimalarial quinolines.
Related PDB
Related UniProtKB

Comments

Created Updated
2004-10-26 2009-02-26