Enables arachidonic acid epoxygenase activity. Involved in epoxygenase P450 pathway. Located in intracellular membrane-bounded organelle. Human ortholog(s) of this gene implicated in acute myeloid leukemia; human immunodeficiency virus infectious disease; and tuberculosis. Orthologous to human CYP2B6 (cytochrome P450 family 2 subfamily B member 6). [provided by Alliance of Genome Resources, Apr 2022]