Enables arachidonic acid epoxygenase activity and linoleic acid epoxygenase activity. Acts upstream of or within arachidonic acid metabolic process and linoleic acid metabolic process. Predicted to be located in endoplasmic reticulum and membrane. Predicted to be active in cytoplasm and intracellular membrane-bounded organelle. Is expressed in alimentary system and liver. Human ortholog(s) of this gene implicated in several diseases, including Plasmodium falciparum malaria; eosinophilic esophagitis; glucose metabolism disease (multiple); invasive aspergillosis; and multiple chemical sensitivity. Orthologous to human CYP2C19 (cytochrome P450 family 2 subfamily C member 19) and CYP2C9 (cytochrome P450 family 2 subfamily C member 9). [provided by Alliance of Genome Resources, Apr 2022]