A hemeprotein which catalyses the disproportionation of dihydrogen peroxide to O2, and water; it also catalyses the oxidation of other compounds , such as ethanol, by dihydrogen peroxide. Note. A non-hemeprotein containing a dinuclear managanese cluster with catalase activity is often called pseudocatalase.
PAC, 1997, 69, 1251 (Glossary of terms used in bioinorganic chemistry (IUPAC Recommendations 1997)) on page 1262