superoxide dismutase


superoxide dismutase
noun
an enzyme that catalyzes the conversion of superoxide into hydrogen peroxide and oxygen
-

oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes

Syn: ↑SOD
Hypernyms: ↑enzyme

* * *

\\-ˌdis¦myü(ˌ)tās\ noun
Etymology: dismutase enzyme catalyzing dismutation, from dismutation + -ase
: a metal-containing antioxidant enzyme that reduces harmful free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide

Useful english dictionary. 2012.

Look at other dictionaries:

  • superoxide dismutase — superoxide dismutase. См. супероксиддисмутаза. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Superoxide dismutase — For other senses of the term SOD/Sod, see Sod (disambiguation). Superoxide dismutase Structure of a human Mn superoxide dismutase 2 tetramer.[1] …   Wikipedia

  • superoxide dismutase — superoxide dis·mu·tase dis myü .tās n a metal containing antioxidant enzyme that reduces potentially harmful free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide abbr. SOD * * * su·per·ox·ide… …   Medical dictionary

  • superoxide dismutase — Any of a range of metalloenzymes (EC 1.15.1.1) that catalyses the formation of hydrogen peroxide and oxygen from superoxide, and thus protects against superoxide induced damage. Usually has either iron or manganese as the metal cation in… …   Dictionary of molecular biology

  • superoxide dismutase — (SOD; soo per ok saīd dis mu tas) An enzyme that protects many microorganisms by catalyzing the destruction of the toxic superoxide radical …   Dictionary of microbiology

  • superoxide dismutase — noun Etymology: dismutation (simultaneous oxidation and reduction) + ase Date: 1969 a metal containing antioxidant enzyme that reduces harmful free radicals of oxygen formed during normal metabolic cell processes to oxygen and hydrogen peroxide …   New Collegiate Dictionary

  • Superoxide — Lewis electron configuration of superoxide. The six outer shell electrons of each oxygen atom are shown in black; one electron pair is shared (middle); the unpaired electron is shown in the upper left and the additional electron conferring a… …   Wikipedia

  • superoxide — An oxygen free radical, O2−, which is toxic to cells. s. dismutase (SOD) an enzyme that catalyzes the dismutation reaction, 2O2 − + 2H+ → H2O2 + O2; there are three isozymes of SOD: an extracellular form (ECSOD) that conta …   Medical dictionary

  • dismutase — Generic name for enzymes catalyzing the reaction of two identical molecules to produce two molecules in differing states of oxidation ( e.g., superoxide d.) or of phosphorylation ( e.g., glucose 1 phosphate phosphodismutase). * * * dismutase see …   Medical dictionary

  • Dismutase — A dismutase is an enzyme that catalyzes a dismutation reaction. Examples Formaldehyde dismutase Superoxide dismutase External links Dismutase at eMedicine Dictionary Categories: OxidoreductasesOxidoreductase stubs …   Wikipedia


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