True about glutathione is: (A) 4 amino acids, (B) Gamma peptide, (C) Alpha peptide, (D) 3 amino acids
Answer is D. Glutathione -tripeptide-also called gamma-glutamyl cysteinyl glycine. It consists of 3amino acids glutamic acid, glycine, &cystein. It is produced from miester cycle (gamma-glutamyl cycle)catalysed by gamma-glutamyl transferase.Ref: DM Vasudevan - Textbook of Biochemistry for Medical Students, 7th edition, page no: 198