Early genetic diagnosis of glutathione synthetase deficiency with pathogenic variants in glutathione synthetase gene: A case report ScienceDirect Glutathione Synthase an overview ScienceDirect Topics Glutamylcysteine SynthetaseGlutathione Synthetase: Domain Structure and Identification of Residues Important in Substrate and Glutathione Binding Biochemistry Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification