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EC Tree
IUBMB Comments A group of P-450 heme-thiolate proteins, acting on a wide range of substrates including many xenobiotics, steroids, fatty acids, vitamins and prostaglandins; reactions catalysed include hydroxylation, epoxidation, N-oxidation, sulfooxidation, N-, S- and O-dealkylations, desulfation, deamination, and reduction of azo, nitro and N-oxide groups. Together with EC 1.6.2.4, NADPH---hemoprotein reductase, it forms a system in which two reducing equivalents are supplied by NADPH. Some of the reactions attributed to EC 1.14.15.3, alkane 1-monooxygenase, belong here.
The taxonomic range for the selected organisms is: Mus musculus The enzyme appears in selected viruses and cellular organisms
Synonyms
p450, cyp2d6, cyp1a1, cyp2e1, cyp1a2, cyp2c9, cyp1b1, cyp3a5, cyp2b6, cyp1a,
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6 beta-hydroxylase
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6-beta-testosterone hydroxylase
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Aldehyde oxygenase
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Arachidonic acid epoxygenase
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aryl hydrocarbon hydroxylase
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aryl-4-monooxygenase
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Coumarin 7-hydroxylase
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CYP6B1V1/CYP6B1V2/ CYP6B1V3
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CYP6B3V1/CYP6B3V2
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CYP6B4V1/CYP6B4V2
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Cytochrome P450-D2
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Debrisoquine 4-hydroxylase
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Estrogen synthetase
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flavoprotein monooxygenase
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flavoprotein-linked monooxygenase
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Hepatic cytochrome P-450MC1
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Laurate omega-1 hydroxylase
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Lauric acid omega-6-hydroxylase
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Mephenytoin 4-hydroxylase
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microsomal monooxygenase
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Ovarian aromatase
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oxygenase, flavoprotein-linked mono-
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P450 types B0 and B1
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P450-PB1 and P450-PB2
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Progesterone 21-hydroxylase
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Prostaglandin omega-hydroxylase
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S-mephenytoin 4-hydroxylase
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Steroid hormones 7-alpha-hydroxylase
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Testosterone 15-alpha-hydroxylase
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Testosterone 16-alpha hydroxylase
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Testosterone 6-beta-hydroxylase
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Testosterone 7-alpha-hydroxylase
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xenobiotic monooxygenase
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reduction of azo, nitro, N-oxide groups
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KEGG
Aminobenzoate degradation , Arachidonic acid metabolism , Biosynthesis of secondary metabolites , Caffeine metabolism , Drug metabolism - cytochrome P450 , Fatty acid degradation , Linoleic acid metabolism , Metabolism of xenobiotics by cytochrome P450 , Microbial metabolism in diverse environments , Retinol metabolism , Steroid hormone biosynthesis , Tryptophan metabolism
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-, -, -, -, -, -, -, -, -
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substrate,NADPH-hemoprotein reductase:oxygen oxidoreductase (RH-hydroxylating or -epoxidizing)
A group of P-450 heme-thiolate proteins, acting on a wide range of substrates including many xenobiotics, steroids, fatty acids, vitamins and prostaglandins; reactions catalysed include hydroxylation, epoxidation, N-oxidation, sulfooxidation, N-, S- and O-dealkylations, desulfation, deamination, and reduction of azo, nitro and N-oxide groups. Together with EC 1.6.2.4, NADPH---hemoprotein reductase, it forms a system in which two reducing equivalents are supplied by NADPH. Some of the reactions attributed to EC 1.14.15.3, alkane 1-monooxygenase, belong here.
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adrenic acid + [reduced NADPH-hemoprotein reductase] + O2
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i.e. all-cis-7,10,13,16-docosatetraenoic acid
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arachidonic acid + [reduced NADPH-hemoprotein reductase] + O2
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aryl hydrocarbons + [reduced NADPH-hemoprotein reductase] + O2
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e.g. benzo[a]pyrene, ethoxyresuforin, biphenyl, p-nitroanisole, acetanilide, 2-acetylaminofluorene, 2-ethoxycoumarin, estradiol-17beta, testosterone
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docosahexaenoic acid + [reduced NADPH-hemoprotein reductase] + O2
22-hydroxydocosahexaenoic acid + [oxidized NADPH-hemoprotein reductase] + H2O
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eicosapentaenoic acid + [reduced NADPH-hemoprotein reductase] + O2
20-hydroxyeicosapentaenoic acid + [oxidized NADPH-hemoprotein reductase] + H2O
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linoleic acid + [reduced NADPH-hemoprotein reductase] + O2
(9Z,12Z)-18-hydroxyoctadeca-9,12-dienoic acid + [oxidized NADPH-hemoprotein reductase] + H2O
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additional information
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additional information
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CYP4A enzymes predominantly function as AA omega-hydroxylases, hydroxy metabolites are roduced by the individual CYP isoforms in a regio- and stereoselective manner. CYP isoforms that do not produce 20-hydroxyeicosatetraenoic acid but function predominantly as AA (omega-1)-hydroxylases include CYP1A1, but also act regioselective
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additional information
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the enzyme shows (omega-1)-hydroxylase activity against arachidonic acid, linoleic acid, and especially against eicosapentaenoic acid and docosahexaenoic acid, substrate specificities of isozymes, overview
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additional information
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CYP4A enzymes predominantly function as AA omega-hydroxylases, hydroxy metabolites are roduced by the individual CYP isoforms in a regio- and stereoselective manner. CYP isoforms that do not produce 20-hydroxyeicosatetraenoic acid but function predominantly as AA (omega-1)-hydroxylases include CYP1A1, but also act regioselective
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isozyme Cyp4a12
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brenda
mouse
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brenda
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brenda
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brenda
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brenda
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16 different cytochrome P-450 have been isolated from mouse liver of which each contains numerous different forms of P-450
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brenda
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metabolism
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cytochrome P450-dependent metabolism of omega-6 polyunsaturated fatty acids, overview
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CP2B9_MOUSE
491
1
55741
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2BA_MOUSE
500
1
56744
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2BJ_MOUSE
492
0
55997
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP1A2_MOUSE
513
1
58184
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP237_MOUSE
490
0
55606
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP238_MOUSE
490
0
56229
Swiss-Prot
Secretory Pathway (Reliability: 2 )
CP239_MOUSE
490
0
55827
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP254_MOUSE
490
0
55858
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP4B1_MOUSE
511
1
58900
Swiss-Prot
Secretory Pathway (Reliability: 2 )
CP4CA_MOUSE
508
0
58350
Swiss-Prot
Secretory Pathway (Reliability: 3 )
CP4CB_MOUSE
508
0
58309
Swiss-Prot
Secretory Pathway (Reliability: 3 )
CP2CT_MOUSE
490
0
55716
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2D9_MOUSE
504
0
56950
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2DA_MOUSE
504
2
57233
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2DB_MOUSE
504
1
56988
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP1A1_MOUSE
524
1
59230
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2J5_MOUSE
501
1
57784
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2J6_MOUSE
501
2
57792
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CY250_MOUSE
490
0
55765
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2DQ_MOUSE
500
2
56976
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2E1_MOUSE
493
1
56805
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP1B1_MOUSE
543
0
60537
Swiss-Prot
Secretory Pathway (Reliability: 5 )
CP255_MOUSE
490
0
56096
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP341_MOUSE
504
2
57987
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2A4_MOUSE
494
1
56782
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2A5_MOUSE
494
1
56741
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP2AC_MOUSE
492
1
56179
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP3AB_MOUSE
504
2
57855
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP3AD_MOUSE
503
0
57492
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP3AG_MOUSE
504
1
57870
Swiss-Prot
Secretory Pathway (Reliability: 1 )
CP3AP_MOUSE
503
2
58122
Swiss-Prot
Secretory Pathway (Reliability: 1 )
D3Z7F1_MOUSE
448
2
49792
TrEMBL
Secretory Pathway (Reliability: 1 )
Q9WUD0_MOUSE
491
1
55871
TrEMBL
Secretory Pathway (Reliability: 1 )
B6VGH4_MOUSE
513
1
58184
TrEMBL
Secretory Pathway (Reliability: 1 )
Q0PGA1_MOUSE
333
1
38172
TrEMBL
Secretory Pathway (Reliability: 1 )
A6H6J2_MOUSE
491
1
55846
TrEMBL
Secretory Pathway (Reliability: 1 )
G3X8Q9_MOUSE
500
1
56874
TrEMBL
Secretory Pathway (Reliability: 1 )
E9Q593_MOUSE
491
1
55859
TrEMBL
Secretory Pathway (Reliability: 1 )
B2RXZ2_MOUSE
492
1
56318
TrEMBL
Secretory Pathway (Reliability: 1 )
Q9WV19_MOUSE
494
1
56820
TrEMBL
Secretory Pathway (Reliability: 1 )
Q91X75_MOUSE
494
1
56713
TrEMBL
Secretory Pathway (Reliability: 1 )
F7B9W9_MOUSE
128
0
15080
TrEMBL
other Location (Reliability: 2 )
Q80XK1_MOUSE
493
1
56582
TrEMBL
Secretory Pathway (Reliability: 1 )
Q8K027_MOUSE
323
1
36066
TrEMBL
other Location (Reliability: 4 )
A0A1B0GSV7_MOUSE
434
1
49856
TrEMBL
Secretory Pathway (Reliability: 1 )
Q3UEM4_MOUSE
457
1
52207
TrEMBL
Secretory Pathway (Reliability: 1 )
Q05A20_MOUSE
524
1
59230
TrEMBL
Secretory Pathway (Reliability: 1 )
Q64460_MOUSE
491
1
55760
TrEMBL
Secretory Pathway (Reliability: 1 )
Q0PGA0_MOUSE
157
1
17837
TrEMBL
Secretory Pathway (Reliability: 1 )
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Lang, M.A.; Nebert, D.W.
Structural gene products of the Ah locus. Evidence for many unique P-450-mediated monooxygenase activities reconstituted from 3-methylcholanthrene-treated C57BL/6N mouse liver microsomes
J. Biol. Chem.
256
12058-12067
1981
Mus musculus
brenda
Lang, M.A.; Gielen, J.E.; Nebert, D.W.
Genetic evidence for many unique liver microsomal P-450-mediated monooxygenase activities in heterogeneic stock mice
J. Biol. Chem.
256
12068-12075
1981
Mus musculus
brenda
Nayeem, M.A.; Zeldin, D.C.; Boegehold, M.A.; Morisseau, C.; Marowsky, A.; Ponnoth, D.S.; Roush, K.P.; Falck, J.R.
Modulation by salt intake of the vascular response mediated through adenosine A(2A) receptor: role of CYP epoxygenase and soluble epoxide hydrolase
Am. J. Physiol. Regul. Integr. Comp. Physiol.
299
R325-R333
2010
Homo sapiens, Mus musculus, Rattus norvegicus
brenda