VertebratesAmino Acid SequenceMolecular Sequence DataSequence AlignmentSequence Homology, Amino AcidModels, MolecularBinding SitesProtein ConformationProteinsHydrogen BondingProtein BindingSequence Analysis, ProteinCrystallography, X-RayMutagenesis, Site-DirectedDatabases, ProteinProtein Structure, TertiaryAmino Acid SubstitutionProtein Structure, SecondaryAmino AcidsStructure-Activity RelationshipMutationKineticsCatalytic DomainSolventsCatalysisStatic ElectricityBase SequenceThermodynamicsComputer SimulationProtein FoldingModels, ChemicalSoftwareZebrafishMolecular StructureComputational BiologyConserved SequenceEvolution, MolecularCloning, MolecularGene Expression Regulation, DevelopmentalChordata, NonvertebrateZebrafish ProteinsEmbryo, NonmammalianBiological EvolutionRecombinant ProteinsFishesCysteineEscherichia coliSubstrate SpecificityLampreysBody PatterningSpecies SpecificityPeptide FragmentsChickensDrug ResiduesHagfishesDNA, ComplementaryReptilesInvertebratesCell LinePeptidesXenopusXenopus laevisIn Situ HybridizationXenopus ProteinsHistidineLysinePesticide ResiduesTranscription FactorsAmino Acid MotifsDNARecombinant Fusion ProteinsDNA PrimersSignal TransductionHomeodomain ProteinsMutagenesisSharksSequence Homology, Nucleic AcidMagnetic Resonance SpectroscopyCircular DichroismAmphibiansMammalsMembrane ProteinsChordataCiona intestinalisGene DuplicationDrosophila ProteinsOryziasTakifuguChick EmbryoDNA-Binding ProteinsModels, BiologicalGenomeCattleBacterial ProteinsDrosophilaPetromyzonAnimals, Genetically ModifiedHydrogen-Ion ConcentrationAlaninePhosphorylation