Receptors, Invertebrate PeptideInvertebratesPeptidesEndocrine GlandsEndocrine SystemEndocrine Gland NeoplasmsEndocrine System DiseasesEndocrine DisruptorsPeptide FragmentsPeptide LibraryAmino Acid SequenceAntimicrobial Cationic PeptidesMolecular Sequence DataPeptides, CyclicVertebratesMultiple Endocrine Neoplasia Type 1OligopeptidesPeptide MappingMultiple Endocrine NeoplasiaBase SequenceMolluscaSequence Homology, Amino AcidNatriuretic Peptide, BrainProtein BindingEchinodermataVasoactive Intestinal PeptideCrustaceaUrochordataPhylogenyMultiple Endocrine Neoplasia Type 2aChordata, NonvertebratePeptide YYAquatic OrganismsCalcitonin Gene-Related PeptideSequence AlignmentCloning, MolecularCell-Penetrating PeptidesPolychaetaModels, MolecularPeptide BiosynthesisBinding SitesPancreasProtein ConformationInvertebrate HormonesBivalviaAnnelidaSpecies SpecificityEnteroendocrine CellsNatriuretic PeptidesChromatography, High Pressure LiquidProtein Structure, SecondaryCnidariaPeptide Nucleic AcidsCell LineArthropodsProtein Structure, TertiaryNatriuretic Peptide, C-TypeKineticsEvolution, Molecular