A family of antioxidant enzymes containing selenium which are important in the reduction of different hydroperoxides, including hydrogen peroxide which is involved in the irritation of the gastrointestinal tract and increase in perspiration. GLYCINE: Natural antacid and sweetener. Involved in the syntheses of DNA, phospholipids and collagen. May act as an inhibitory neurotransmitter.
An enzyme that is dependent upon selenium at the active site of use in the body for oxidation processes; may be linked to jaundice.
a 85,000 D tetrameric enzyme with four atoms of selenium incorporated as selenocysteine; protects the cell from oxidant damage.