Receptors, Invertebrate PeptideInvertebratesVertebratesPeptidesMolecular Sequence DataAmino Acid SequenceChordata, NonvertebratePeptide FragmentsEvolution, MolecularUrochordataMolluscaSequence Homology, Amino AcidPeptide LibraryBase SequenceEchinodermataBiological EvolutionAntimicrobial Cationic PeptidesCrustaceaCiona intestinalisSequence AlignmentZebrafishSpecies SpecificityAquatic OrganismsFishesPolychaetaGene Expression Regulation, DevelopmentalPhylogenyArthropodsAnnelidaPeptides, CyclicBivalviaChordataCnidariaEmbryo, NonmammalianCloning, MolecularDrosophila melanogasterDrosophila ProteinsLarvaInsectsDrosophilaPhotoreceptor Cells, InvertebrateConserved SequenceOligopeptidesGanglia, InvertebrateGastropodaInvertebrate HormonesPeptide MappingCaenorhabditis elegansProtein BindingHemocytesDNA, ComplementaryLymnaeaBody PatterningMarine BiologySea CucumbersEcosystemHagfishesProtein Structure, TertiaryZebrafish ProteinsLampreysIn Situ HybridizationFood ChainBrachyuraMammalsOligochaetaSignal TransductionAmphipodaInsect ProteinsModels, BiologicalPoriferaAmphibiansBinding SitesModels, MolecularGenomeAnimals, Genetically ModifiedReptilesGene DuplicationNatriuretic Peptide, BrainCephalopodaMutationSnailsProtein ConformationSequence Analysis, DNAMytilusCell LineDaphniaChickensAstacoideaHemolymphXenopusBryozoaRNA, MessengerHorseshoe CrabsLeechesMembrane ProteinsBiodiversityXenopus ProteinsTranscription FactorsVasoactive Intestinal PeptideProtein Structure, Secondary