title: Proceedings: The importance of the second amino acid in tripeptide-thyrotrophin releasing hormone molecules for the biological activity.
mesh_terms: D000818:Animals; D006639:Histidine; D008968:Molecular Conformation; D051381:Rats; D013237:Stereoisomerism; D013329:Structure-Activity Relationship; D013972:Thyrotropin / Q000097:blood; D013973:Thyrotropin-Releasing Hormone / Q000494:pharmacology*
chemical_list: D006639:Histidine; D013973:Thyrotropin-Releasing Hormone; D013972:Thyrotropin