title: Molecular evolution of biologically active polypeptides.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D009481:Neurophysins / Q000502:physiology; D010907:Pituitary Hormones / Q000502:physiology*; D010908:Pituitary Hormones, Anterior / Q000502:physiology; D011485:Protein Binding; D011487:Protein Conformation; D011498:Protein Precursors / Q000502:physiology; D011506:Proteins / Q000502:physiology*; D013329:Structure-Activity Relationship
chemical_list: D009481:Neurophysins; D010907:Pituitary Hormones; D010908:Pituitary Hormones, Anterior; D011498:Protein Precursors; D011506:Proteins