GSH (other)
GSH may refer to: * Glutathione, an important antioxidant * George S. Halas, owner and coach of the Chicago Bears * Goshen Municipal Airport (IATA code), Indiana, USA * Global Scholars Hall, a building on the University of Oregon campus, Eugene, Oregon, USA * Ghost Squad Hackers, hacktivist group * Good Shepherd Homes, a British charity * Gryazev-Shipunov (GSh), a weapons marque See also

* GSHS (other) * ГШ (other) () * * * * * * GS (other) {{disambiguation ...
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Glutathione
Glutathione (GSH, ) is an organic compound with the chemical formula . It is an antioxidant in plants, animals, fungi, and some bacteria and archaea. Glutathione is capable of preventing damage to important cellular components caused by sources such as reactive oxygen species, free radicals, peroxides, lipid peroxides, and heavy metals. It is a tripeptide with a gamma peptide linkage between the carboxyl group of the glutamate side chain and cysteine. The carboxyl group of the cysteine residue is attached by normal peptide linkage to glycine. Biosynthesis and occurrence Glutathione biosynthesis involves two adenosine triphosphate-dependent steps: *First, γ-glutamylcysteine is synthesized from L-glutamate and L-cysteine. This conversion requires the enzyme glutamate–cysteine ligase (GCL, glutamate cysteine synthase). This reaction is the rate-limiting step in glutathione synthesis. *Second, glycine is added to the C-terminal of γ-glutamylcysteine. This condensation is ca ...
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