title: Q: Why is glutathione, a tripeptide, synthesized by specific enzymes, while the TSH-releasing hormone TRH or thyroliberin, also a tripeptide is produced as part of a pro-hormone peptide?
authors.forename: Frank
authors.initials: F
authors.lastname: Vella
mesh_terms: D000595:Amino Acid Sequence; D005978:Glutathione / Q000096:biosynthesis* / Q000737:chemistry*; D006801:Humans; D009842:Oligopeptides / Q000737:chemistry; D010084:Oxidation-Reduction; D010455:Peptides / Q000737:chemistry; D020449:Repetitive Sequences, Amino Acid; D013973:Thyrotropin-Releasing Hormone / Q000096:biosynthesis* / Q000737:chemistry*
chemical_list: D009842:Oligopeptides; D010455:Peptides; D013973:Thyrotropin-Releasing Hormone; D005978:Glutathione