Catalases are enzymes that catalyse the conversion of hydrogen peroxide to water and oxygen, using either an iron or manganese cofactor. This protein is localized to peroxisomes in most eukaryotic cells.
Catalase is a type of enzyme that converts hydrogen peroxide into water and oxygen. It uses either an iron or manganese atom as a catalyst. Catalase is located in the peroxisomes of most eukaryotic cells.