IsomerismHeterotaxy SyndromeHeart Defects, CongenitalHeart AtriaSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaProtein ConformationLevocardiaHeart Bypass, RightPulmonary VeinsModels, MolecularErythrocruorinsPulmonary Veno-Occlusive DiseaseGrowth Differentiation Factor 1Fetal HeartCyanosisAbortion, EugenicMagnetic Resonance SpectroscopyNodal ProteinAtrioventricular NodeFetal DiseasesVena Cava, InferiorProtein BindingMolecular Sequence DataFontan ProcedureBinding SitesAmino Acid SequenceAzygos VeinTachycardia, SupraventricularSinoatrial NodeProlineProtein Structure, TertiaryHeart BlockCrystallography, X-RayProtein Structure, SecondaryUltrasonography, PrenatalMolecular StructureHeart ValvesMolecular ConformationKineticsStereoisomerismAtrial AppendageCircular DichroismThermodynamicsHeart Septal Defects, AtrialPrenatal DiagnosisCell Adhesion MoleculesInfant, NewbornSpectrometry, FluorescenceSyndromeBody PatterningPregnancyNucleic Acid ConformationLigandsProtein FoldingEchocardiographyStructure-Activity RelationshipMolecular Dynamics SimulationMutationGestational AgeEscherichia coliAsiaNuclear Magnetic Resonance, BiomolecularHydrogen-Ion ConcentrationProtein DenaturationHydrogen BondingRecombinant ProteinsBase SequenceSpleenTemperatureTime FactorsPeptidesComputer SimulationMutagenesis, Site-DirectedDimerizationModels, ChemicalPeptide FragmentsSolutionsCell LineDNAEpitopesStomachProteinsAntibodies, MonoclonalBacterial ProteinsSmall Molecule LibrariesWaterCatalytic DomainRetrospective StudiesCatalysisAllosteric RegulationFluorescence Resonance Energy TransferProtein Structure, QuaternaryTryptophanSpectrophotometry, UltravioletAdenosine TriphosphateModels, Biological