title: Proctolin: an invertebrate neuropeptide.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D003058:Cockroaches; D007448:Invertebrates / Q000502:physiology*; D009479:Neuropeptides; D018377:Neurotransmitter Agents / Q000502:physiology; D009842:Oligopeptides / Q000502:physiology*; D014018:Tissue Distribution
chemical_list: D009479:Neuropeptides; D018377:Neurotransmitter Agents; D009842:Oligopeptides; C011536:proctolin