1.14.13.29: 4-nitrophenol 2-monooxygenase
This is an abbreviated version!
For detailed information about 4-nitrophenol 2-monooxygenase, go to the full flat file.
Word Map on EC 1.14.13.29
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1.14.13.29
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cyp2e1
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n-demethylase
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ethoxyresorufin
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cyp1a2
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aniline
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pentoxyresorufin
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prod
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o-dealkylase
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diallyl
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n-nitrosodimethylamine
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chlorzoxazone
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aminopyrine
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o-depentylase
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4-methylpyrazole
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cyp2e1-dependent
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benzphetamine
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benzyloxyresorufin
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cyp2e1-mediated
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acetone-induced
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cyp-dependent
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o-deethylation
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2e1-dependent
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7-ethoxyresorufin-o-deethylase
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ethoxycoumarin
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medicine
- 1.14.13.29
- cyp2e1
- n-demethylase
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ethoxyresorufin
- cyp1a2
- aniline
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pentoxyresorufin
-
prod
-
o-dealkylase
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diallyl
- n-nitrosodimethylamine
- chlorzoxazone
- aminopyrine
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o-depentylase
- 4-methylpyrazole
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cyp2e1-dependent
- benzphetamine
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benzyloxyresorufin
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cyp2e1-mediated
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acetone-induced
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cyp-dependent
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o-deethylation
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2e1-dependent
- 7-ethoxyresorufin-o-deethylase
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ethoxycoumarin
- medicine
Reaction
Synonyms
4-nitrophenol 4-monooxygenase/4-nitrocatechol 2-monooxygenase, 4-nitrophenol hydroxylase, 4-nitrophenol-2-hydroxylase, 4-NPH, CYP 2E1, CYP2A/2E1, CYP2E1, cytochrome P-450 2E1, cytochrome P-450 isozyme 3a, NphA1, oxygenase, 4-nitrophenol 2-mono-, p-nitrophenol 2-hydroxylase, p-nitrophenol hydroxylase, p-nitrophenol hydroxylase component A, p-nitrophenol-hydroxylase, PNP 2-monooxygenase, PNP monooxygenase, PnpA1, PNPH, PPH, two-component 4-nitrophenol hydroxylase, two-component PNP monooxygenase
ECTree
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Substrates Products
Substrates Products on EC 1.14.13.29 - 4-nitrophenol 2-monooxygenase
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REACTION DIAGRAM
3-nitrophenol + NADH + H+ + O2
4-nitrocatechol + NAD+ + H2O
1 mM NADH, 5 M FAD, 1 mM DTT, NphA1 (approximately 0.5 mg of purified protein), and NphA2 (approximately 0.1 mg of purified protein) in 1 ml of 50 mM Tris-HCl buffer, pH 8.0, slow degradation of substrate
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?
4-chlorophenol + NADH + H+ + O2
4-chlorocatechol + NAD+ + H2O
1 mM NADH, 5 M FAD, 1 mM DTT, NphA1 (approximately 0.5 mg of purified protein), and NphA2 (approximately 0.1 mg of purified protein) in 1 ml of 50 mM Tris-HCl buffer, pH 8.0
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?
4-nitrocatechol + NADPH + H+ + O2
4-nitrobenzene-1,2,3-triol + NADP+ + H2O
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?
p-nitrophenol + NADPH + H+ + O2
p-nitrocatechol + NADP+ + H2O
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200 microM substrate, 0.4 mg microsomal protein, 1 mM NADPH
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?
phenol + NADH + H+ + O2
catechol + NAD+ + H2O
1 mM NADH, 5 M FAD, 1 mM DTT, NphA1 (approximately 0.5 mg of purified protein), and NphA2 (approximately 0.1 mg of purified protein) in 1 ml of 50 mM Tris-HCl buffer, pH 8.0
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?
2-chloro-4-nitrocatechol + NAD+ + H2O
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?
2-chloro-4-nitrophenol + NADH + H+ + O2
2-chloro-4-nitrocatechol + NAD+ + H2O
Rhodococcus opacus JCM 13270
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?
2-chloro-4-nitrophenol + NADH + H+ + O2
2-chloro-4-nitrocatechol + NAD+ + H2O
Rhodococcus opacus RKJ300
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?
2-chloro-4-nitrophenol + NADPH + O2
1,2,4-trihydroxybenzene + ?
Rhodococcus opacus JCM 13270
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?
4-nitrobenzene-1,2,3-triol + NAD+ + H2O
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?
4-nitrocatechol + NADH + H+ + O2
4-nitrobenzene-1,2,3-triol + NAD+ + H2O
Rhodococcus opacus JCM 13270
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?
4-nitrocatechol + NADH + H+ + O2
4-nitrobenzene-1,2,3-triol + NAD+ + H2O
Rhodococcus opacus RKJ300
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?
4-nitrocatechol + NADH + H+ + O2
4-nitrobenzene-1,2,3-triol + NAD+ + H2O
1 mM NADH, 5 M FAD, 1 mM DTT, NphA1 (approximately 0.5 mg of purified protein), and NphA2 (approximately 0.1 mg of purified protein) in 1 ml of 50 mM Tris-HCl buffer, pH 8.0, very slow degradation of substrate, no unambiguous identification of products by HPLC due to overlaps
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?
4-nitrocatechol + NAD(P)+ + H2O
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?
4-nitrophenol + NAD(P)H + H+ + O2
4-nitrocatechol + NAD(P)+ + H2O
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?
4-nitrophenol + NAD(P)H + H+ + O2
4-nitrocatechol + NAD(P)+ + H2O
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?
4-nitrophenol + NAD(P)H + H+ + O2
4-nitrocatechol + NAD(P)+ + H2O
Rhodococcus opacus RKJ300
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?
4-nitrophenol + NADH + H+ + O2
4-nitrocatechol + NAD+ + H2O
in the presence of FAD and histidin-tagged NphA2
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?
4-nitrophenol + NADH + H+ + O2
4-nitrocatechol + NAD+ + H2O
1 mM NADH, 5 M FAD, 1 mM DTT, NphA1 (approximately 0.5 mg of purified protein), and NphA2 (approximately 0.1 mg of purified protein) in 1 ml of 50 mM Tris-HCl buffer, pH 8.0
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?
4-nitrophenol + NADH + H+ + O2
4-nitrocatechol + NAD+ + H2O
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catalyzed by p-nitrophenol hydroxylase component A
GC-MS product identification
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?
4-nitrophenol + NADH + O2
4-nitrocatechol + NAD+ + H2O
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NADPH: 50% of the activity with NADH
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?
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no substrates: 2-nitrophenol, 2,4-dinitrophenol
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additional information
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PnpA1 is the oxygenase component of the two-component PNP 2-monooxygenase from Gram-positive Rhodococcus imtechensis strain RKJ300. It also catalyzes the hydroxylation of 4-nitrocatechol (4NC) and 2-chloro-4-nitrophenol (2C4NP)
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additional information
?
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Rhodococcus opacus JCM 13270
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PnpA1 is the oxygenase component of the two-component PNP 2-monooxygenase from Gram-positive Rhodococcus imtechensis strain RKJ300. It also catalyzes the hydroxylation of 4-nitrocatechol (4NC) and 2-chloro-4-nitrophenol (2C4NP)
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additional information
?
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Rhodococcus opacus RKJ300
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PnpA1 is the oxygenase component of the two-component PNP 2-monooxygenase from Gram-positive Rhodococcus imtechensis strain RKJ300. It also catalyzes the hydroxylation of 4-nitrocatechol (4NC) and 2-chloro-4-nitrophenol (2C4NP)
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additional information
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no degradation of 2-nitrophenol, 2-hydroxyphenylacetate, 3-hydroxyphenylacetate, 4-hydroxyphenylacetate
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?