title: Growth-modulating serum tripeptide is glycyl-histidyl-lysine.
mesh_terms: D000595:Amino Acid Sequence; D005998:Glycine / Q000032:analysis; D006133:Growth Substances; D006639:Histidine / Q000032:analysis; D006801:Humans; D008239:Lysine / Q000032:analysis; D009842:Oligopeptides / Q000097:blood
chemical_list: D006133:Growth Substances; D009842:Oligopeptides; D006639:Histidine; D008239:Lysine; D005998:Glycine