This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and is thought to be the predominant enzyme responsible for epoxidation of endogenous arachidonic acid in cardiac tissue. Multiple transcript variants have been found for this gene.CYP2J2 (Cytochrome P450 Family 2 Subfamily J Member 2) is a Protein Coding gene. Diseases associated with CYP2J2 include Clopidogrel Resistance. Among its related pathways are Cytochrome P450 - arranged by substrate type and Arachidonate Epoxygenase / Epoxide Hydrolase. GO annotations related to this gene include iron ion binding and oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen. An important paralog of this gene is CYP2R1.