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. In rodents, the homologous protein has been shown to metabolize certain carcinogens; however, the specific function of the human protein has not been determined. Two transcript variants encoding slightly different isoforms have been found for this gene.
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Protein Aliases: CYPIVB1; Cytochrome P450 4B1; Cytochrome P450 isozyme 5; Cytochrome P450 L-2; cytochrome P450, family 4, subfamily B, polypeptide 1; cytochrome P450, subfamily 4B, polypeptide 1; cytochrome P450, subfamily IV B, polypeptide 1; cytochrome P450, subfamily IVB, polypeptide 1; Cytochrome P450-HP; microsomal monooxygenase; P450 L-2; P450-isozyme 5
Gene Aliases: Cyp4b-1; CYP4B1; CYPIVB1; P-450HP