SOD

Superoxide dismutase (SOD) is an enzyme that catalyzes the conversion of superoxides into oxygen and hydrogen peroxide by disproportionation. It is widely found in various animals, plants and microorganisms and is an important antioxidant.

Superoxides are harmful oxygen molecules that are produced as a by-product of oxygen metabolism. They can cause damage to cells and tissues if not regulated. SOD helps to break down superoxides into less damaging species, such as oxygen and hydrogen peroxide.

SOD has different types depending on the metal cofactor that it binds, such as copper, zinc, iron, manganese or nickel. Each type has a different structure and function. For example, copper-zinc SOD is found in the cytosol of cells.
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