| Description | Catalases ( ) are antioxidant enzymes that catalyse the conversion of hydrogen peroxide to water and molecular oxygen, serving to protect cells from its toxic effects [ ]. Hydrogen peroxide is produced as a consequence of oxidative cellular metabolism and can be converted to the highly reactive hydroxyl radical via transition metals, this radical being able to damage a wide variety of molecules within a cell, leading to oxidative stress and cell death. Catalases act to neutralise hydrogen peroxide toxicity, and are produced by all aerobic organisms ranging from bacteria to man. Most catalases are mono-functional, haem-containing enzymes, although there are also bifunctional haem-containing peroxidase/catalases () that are closely related to plant peroxidases, and non-haem, manganese-containing catalases ( ) that are found in bacteria [ ].This entry represents a small conserved region within catalase enzymes that carries the immune-responsive amphipathic octa-peptide that is recognised by T cells [ ]. | Name | Catalase immune-responsive domain |
| Short Name | Catalase_immune_responsive | Type | Domain |
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