Gamma-Glutamylcysteine
Encyclopedia
γ-Glutamylcysteine is a precursor of glutathione
. It is formed by gamma-glutamylcysteine synthetase
and used by glutathione synthetase
to form glutathione.
Glutathione
Glutathione is a tripeptide that contains an unusual peptide linkage between the amine group of cysteine and the carboxyl group of the glutamate side-chain...
. It is formed by gamma-glutamylcysteine synthetase
Gamma-glutamylcysteine synthetase
Gamma-glutamylcysteine synthetase is the first enzyme in the glutathione biosynthesis pathway.-Function:...
and used by glutathione synthetase
Glutathione synthetase
Glutathione synthetase is the second enzyme in the glutathione biosynthesis pathway. It catalyses the condensation of gamma-glutamylcysteine and glycine, to form glutathione.In eukaryotes, this is a homodimeric enzyme...
to form glutathione.