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1.6.5.5: NADPH:quinone reductase

This is an abbreviated version!
For detailed information about NADPH:quinone reductase, go to the full flat file.

Word Map on EC 1.6.5.5

Reaction

NADPH
+
H+
+ 2 quinone =
NADP+
+ 2 semiquinone

Synonyms

ArsH, Dehydrogenase, reduced nicotinamide adenine dinucleotide (phosphate) (quinone), DT-diaphorase, EC 1.6.99.2, Flavoprotein NAD(P)H:quinone reductase, Menadione oxidoreductase, Menadione reductase, NAD(P)H dehydrogenase, NAD(P)H dehydrogenase (quinone), NAD(P)H menadione reductase, NAD(P)H quinone reductase, NAD(P)H-quinone dehydrogenase, NAD(P)H-quinone oxidoreductase, NAD(P)H-quinone reductase, NAD(P)H:(quinone-acceptor) oxidoreductase, NAD(P)H:menadione oxidoreductase, NAD(P)H:paraquat diaphorase, NAD(P)H:quinone reductase, NADH-menadione reductase, NADH-menaquinone reductase, NADH:quinone reductase, NADPH DT-diaphorase, NADPH quinone acceptor oxidoreductase, NADPH-dependent quinone reductase, NADPH:azodicarbonyl/quinone reductase, NADPH:quinone oxidoreductase, NADPH:quinone reductase, Naphthoquinone reductase, NfsA, nitroreductase A, old yellow enzyme, ORF 17150, p-Benzoquinone reductase, P1-ZCr, P1-zeta-crystallin, P36, PA0660, Phylloquinone reductase, PtoQOR, QAO, Qor, QorA, Quinone reductase, Reduced NAD(P)H dehydrogenase, TcOYE, TmQR1, VAT-1, vesicle amine transport protein-1, Viologen accepting pyridine nucleotide oxidoreductase, Vitamin K reductase, ZCr, zeta-Crystallin, zeta-crystallin homolog protein, zeta-crystallin/NADPH:quinone oxidoreductase, zeta-Crystallin/quinone reductase, Zta1, Zta1p

ECTree

     1 Oxidoreductases
         1.6 Acting on NADH or NADPH
             1.6.5 With a quinone or similar compound as acceptor
                1.6.5.5 NADPH:quinone reductase

KM Value

KM Value on EC 1.6.5.5 - NADPH:quinone reductase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0024 - 0.029
1,2-naphthoquinone
0.011 - 0.37
1,4-benzoquinone
0.007
1,4-dihydroxy-9,10-anthraquinone
-
pH 7.0, 25°C
0.033 - 0.26
1,4-Naphthoquinone
0.015
1,8-dihydroxy-9,10-anthraquinone
-
pH 7.0, 25°C
0.5
2,3,4,6-tetramethyl-1,4-benzoquinone
with NADPH as cosubstrate, at pH 7.5 and 25°C
-
0.022
2,3-dichloro-1,4-naphthoquinone
-
pH 7.0, 25°C
0.5
2,3-dimethoxy-5-methyl-1,4-benzoquinone
with NADPH as cosubstrate, at pH 7.5 and 25°C
0.0013
2,5-dimethyl-4-benzoquinone
-
pH 7.5, 10°C
2.5
2,6-dimethoxy-1,4-benzoquinone
with NADPH as cosubstrate, at pH 7.5 and 25°C
0.016
2,6-dimethyl-1,4-benzoquinone
-
pH 7.0, 25°C
0.13 - 6.12
2-hexenal
0.0066 - 0.0237
2-Hydroxy-1,4-naphthoquinone
0.0064
2-hydroxy-3-methyl-1,4-naphthoquinone
-
pH 7.0, 25°C
0.008
2-methyl-1,4-benzoquinone
-
pH 7.0, 25°C
0.13 - 0.23
2-methyl-1,4-naphthoquinone
0.482
2-nonenal
pH 7, 25°C, wild-type
8.6
2-pentenal
pH 7, 25°C, wild-type
0.035 - 0.13
3-buten-2-one
0.05 - 0.94
3-nonen-2-one
0.06 - 0.535
3-penten-2-one
0.08 - 1.26
4-hydroxy-2-hexenal
0.55
4-hydroxy-2-nonenal
pH 7, 25°C, wild-type
0.0009
5,8-Dihydroxy-1,4-naphthoquinone
-
pH 7.0, 25°C
0.0016 - 0.074
5-hydroxy-1,4-naphthoquinone
0.074
9,10-anthraquinone-2-sulfonic acid
-
pH 7.0, 25°C
0.00065 - 0.0491
9,10-phenanthrenequinone
0.0345
anthraquinone-2-sulfonate
-
pH 7.5, 10°C
0.0119
coenzyme Q10
-
pH 7.5, 10°C
0.025
decyl-plastoquinone
-
pH 7.5
0.0012
dibromothymoquinone
-
pH 7.5, 10°C
0.039
dichlorophenolindophenol
-
pH not specified in the publication, temperature not specified in the publication
0.0028
duroquinone
-
pH 7.5, 10°C
0.02
Ferricytochrome
-
pH 7.5
0.03
komaroviquinone
-
-
0.0057 - 0.019
menadione
0.23 - 0.24
NADH
0.0025 - 0.07
NADPH
0.013
nifurtimox
-
-
0.013 - 0.0153
oxidized 2,6-dichlorophenolindophenol
0.86 - 2.3
propenal
0.016
riboflavin
-
pH 7.0, 25°C
1.1
tetramethyl-1,4-benzoquinone
-
pH 7.0, 25°C
additional information
additional information
-