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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: Papilio polyxenes 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
-
-
-
-
Aldehyde oxygenase
-
-
-
-
Arachidonic acid epoxygenase
-
-
-
-
aryl hydrocarbon hydroxylase
-
-
-
-
aryl-4-monooxygenase
-
-
-
-
Coumarin 7-hydroxylase
-
-
-
-
CYP6B1V1/CYP6B1V2/ CYP6B1V3
-
-
-
-
CYP6B3V1/CYP6B3V2
-
-
-
-
CYP6B4V1/CYP6B4V2
-
-
-
-
Cytochrome P450-D2
-
-
-
-
Debrisoquine 4-hydroxylase
-
-
-
-
Estrogen synthetase
-
-
-
-
flavoprotein monooxygenase
-
-
-
-
flavoprotein-linked monooxygenase
-
-
-
-
Hepatic cytochrome P-450MC1
-
-
-
-
Laurate omega-1 hydroxylase
-
-
-
-
Lauric acid omega-6-hydroxylase
-
-
-
-
Mephenytoin 4-hydroxylase
-
-
-
-
microsomal monooxygenase
-
-
-
-
Ovarian aromatase
-
-
-
-
oxygenase, flavoprotein-linked mono-
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-
-
-
P450 types B0 and B1
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-
-
-
P450-PB1 and P450-PB2
-
-
-
-
Progesterone 21-hydroxylase
-
-
-
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Prostaglandin omega-hydroxylase
-
-
-
-
S-mephenytoin 4-hydroxylase
-
-
-
-
Steroid hormones 7-alpha-hydroxylase
-
-
-
-
Testosterone 15-alpha-hydroxylase
-
-
-
-
Testosterone 16-alpha hydroxylase
-
-
-
-
Testosterone 6-beta-hydroxylase
-
-
-
-
Testosterone 7-alpha-hydroxylase
-
-
-
-
xenobiotic monooxygenase
-
-
-
-
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RH + [reduced NADPH-hemoprotein reductase] + O2 = ROH + [oxidized NADPH-hemoprotein reductase] + H2O
formation of a resonant network stabilizing the P450s catalytic site and allowing for interaction with substrates
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reduction of azo, nitro, N-oxide groups
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-
-
-
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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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2-hydroxy-1-(4-hydroxyphenyl)guanidine + [reduced NADPH-hemoprotein reductase] + O2
?
-
-
-
?
bergapten + [reduced NADPH-hemoprotein reductase] + O2
? + [oxidized NADPH-hemoprotein reductase] + H2O
-
-
-
?
isopimpinellin + [reduced NADPH-hemoprotein reductase] + O2
? + [oxidized NADPH-hemoprotein reductase] + H2O
-
-
-
?
psoralen + [reduced NADPH-hemoprotein reductase] + O2
? + [oxidized NADPH-hemoprotein reductase] + H2O
-
-
-
?
xanthotoxin + reduced flavoprotein + O2
? + oxidized flavoprotein + H2O
-
-
-
?
bergapten + [reduced NADPH-hemoprotein reductase] + O2
? + [oxidized NADPH-hemoprotein reductase] + H2O
-
-
-
-
?
coumarin + [reduced NADPH-hemoprotein reductase] + O2
? + [oxidized NADPH-hemoprotein reductase] + H2O
-
-
-
-
?
pilocarpine + [reduced NADPH-hemoprotein reductase] + O2
? + [oxidized NADPH-hemoprotein reductase] + H2O
-
-
-
-
?
xanthotoxin + reduced flavoprotein + O2
? + oxidized flavoprotein + H2O
-
-
-
-
?
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black swallowtail caterpillar
UniProt
brenda
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CP6B1_PAPPO
498
1
57484
Swiss-Prot
Secretory Pathway (Reliability: 2 )
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homology model based on bacterial CYP102 and insect CYP6B4
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F116A
no enzymatic activity
F116C
no enzymatic activity
F116H
no enzymatic activity
F116I
no enzymatic activity
F116L
no enzymatic activity
F116L/F484L
no enzymatic activity
F116L/F484Y
no enzymatic activity
F116S
no enzymatic activity
F116V
no enzymatic activity
F116W
some enzymatic activity against bergapten, xanthotoxin
F116Y
reduced enzymatic activity
F116Y/F484H
no enzymatic activity
F116Y/F484Y
no enzymatic activity
F206L
no enzymatic activity
F484C
no enzymatic activity
F484D
no enzymatic activity
F484H
no enzymatic activity
F484L
no enzymatic activity
F484S
no enzymatic activity
F484V
no enzymatic activity
F484W
no enzymatic activity
F484Y
no enzymatic activity
H117A
no enzymatic activity
H117F
no enzymatic activity
H117L/F484Y
no enzymatic activity
H117V
no enzymatic activity
H117Y
no enzymatic activity
H204L
activity similar to wild-type
V368F
no enzymatic activity
V368A
no enzymatic activity
V368A
activity similar to wild-type
V368L
no enzymatic activity
V368L
activity similar to wild-type
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Chen, J.S.; Berenbaum, M.R.; Schuler, M.A.
Amino acids in SRS1 and SRS6 are critical for furanocoumarin metabolism by CYP6B1v1, a cytochrome P450 monooxygenase
Insect Mol. Biol.
11
175-186
2002
Papilio polyxenes (Q04552), Papilio polyxenes
brenda
Baudry, J.; Li, W.; Pan, L.; Berenbaum, M.R.; Schuler, M.A.
Molecular docking of substrates and inhibitors in the catalytic site of CYP6B1, an insect cytochrome P450 monooxygenase
Protein Eng.
16
577-587
2003
Papilio polyxenes
brenda