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superoxide dismutase |
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superoxide dismutase (SOD), an enzyme composed of metal-containing proteins that converts superoxide radicals into less toxic agents. It is the main enzymatic mechanism for clearing superoxide radicals from the body. superoxide dismutase (sōō·per·ôkˑ·sīd dis·myōōˑ·tās), n an enzyme that comprises metalloproteins and clears the body of superoxide radicals by converting them into less toxic substances. superoxide any compound containing the highly reactive superoxide ion O2−, a common intermediate in numerous biological oxidations and an important killing mechanism generated in lysosomes of phagocytes after they have phagocytosed microorganisms. superoxide dismutase an enzyme that converts peroxides to two kinds of molecules in different states of oxidation. Present in aerobic bacteria. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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