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Proteins/UNIPROT:Q9HCS2
A cytochrome P450 monooxygenase involved in the metabolism of endogenous polyunsaturated fatty acids (PUFAs). Mechanistically, uses molecular oxygen inserting one oxygen atom into a substrate, and reducing the second into a water molecule, with two electrons provided by NADPH via cytochrome P450 reductase (CPR; NADPH-ferrihemoprotein reductase). Catalyzes the hydroxylation of carbon hydrogen bonds, with preference for omega-2 position. Metabolizes (5Z,8Z,11Z,14Z)-eicosatetraenoic acid (arachidonate) toward 18-hydroxy arachidonate. Catalyzes the epoxidation of double bonds of PUFAs such as docosapentaenoic and docosahexaenoic acids. Has low omega-hydroxylase activity toward leukotriene B4 and arachidonate. Involved in the metabolism of xenobiotics. Catalyzes the hydroxylation of the antihistamine drug ebastine..
Function from UniProtKB (Q9HCS2), read 2026-09-23. CC BY 4.0.
Curated compounds routed: 2 · metabolized by
2 compounds
2 compounds.
0 reported routes2 assembled routes
66 statements
66 statements · 7 reference databases · Subject: CYP4F12 · Sources: Bgee, Hetionet, Human-GEM, Reactome, Rhea, UniProt, WikiPathways
60 reactions
1 name
Resolves to: CYP4F12
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00931CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygenMAM01213c+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 13 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00932CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygenMAM01239c+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00933CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygen20-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 15 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1, 1.14.15.3cytosol
Human-GEM MAR00934CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygenMAM00297c+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00935CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygen13-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00936CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygen16(R)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00937CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygen17-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoate+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00938CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygenMAM00426c+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00939CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygenMAM00430c+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00940CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+proton+NADPH(4-)+dioxygen5,6-epoxy-(8Z,11Z,14Z)-eicosatrienoate+water+NADP(3-)
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00942CC BY 4.0Reference data
(5Z,8Z,11Z,14Z)-eicosatetraenoate+FADH2+dioxygen5,6-epoxy-(8Z,11Z,14Z)-eicosatrienoate+FAD+water
Catalysed by CYP3A43 or CYP2D6 or CYP3A5 or CYP2C18 or CYP2E1 or CYP2J2 or CYP1B1 or CYP2C9 or CYP2C8 or CYP1A1 or CYP1A2 or CYP4B1 and 14 more alternatives
Reaction pageLeft to rightBalancedEC 1.14.14.1cytosol
Human-GEM MAR00943CC BY 4.0Reference data