to elucidate the mechanism of glutathione elevation , hepatic cysteine concentration and gamma-glutamylcysteine synthetase ( l-glutamate : l-cysteine gamma-ligase ( adp-forming ) , ec 6.3.2.2 ) activity were measured and possible changes in cysteine metabolism were also compared between iron-loaded and control mice .
C0017037
gamma-glutamylcysteine synthetase
C0023689
ligase