IsomerismProtein ConformationHeterotaxy SyndromeHeart Defects, CongenitalHeart AtriaModels, MolecularSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaLevocardiaHeart Bypass, RightProtein BindingPulmonary VeinsMolecular Sequence DataErythrocruorinsBinding SitesMagnetic Resonance SpectroscopyAmino Acid SequencePulmonary Veno-Occlusive DiseaseProtein Structure, TertiaryCrystallography, X-RayProtein Structure, SecondaryMolecular ConformationKineticsGrowth Differentiation Factor 1Circular DichroismFetal HeartThermodynamicsCyanosisAbortion, EugenicCell Adhesion MoleculesSpectrometry, FluorescenceNodal ProteinMolecular StructureNucleic Acid ConformationLigandsAtrioventricular NodeProtein FoldingStructure-Activity RelationshipFetal DiseasesMolecular Dynamics SimulationVena Cava, InferiorProlineMutationEscherichia coliNuclear Magnetic Resonance, BiomolecularHydrogen-Ion ConcentrationProtein DenaturationStereoisomerismHydrogen BondingRecombinant ProteinsFontan ProcedureAzygos VeinBase SequenceTemperatureTachycardia, SupraventricularSinoatrial NodePeptidesHeart BlockComputer SimulationMutagenesis, Site-DirectedDimerizationUltrasonography, PrenatalHeart ValvesModels, ChemicalPeptide FragmentsSolutionsAtrial AppendageCell LineDNAEpitopesHeart Septal Defects, AtrialProteinsAntibodies, MonoclonalBacterial ProteinsSmall Molecule LibrariesPrenatal DiagnosisWaterCatalytic DomainCatalysisInfant, NewbornAllosteric RegulationTime FactorsFluorescence Resonance Energy TransferProtein Structure, QuaternaryTryptophanSyndromeSpectrophotometry, UltravioletBody PatterningPregnancyAdenosine TriphosphateModels, BiologicalSubstrate SpecificityHydrolysisMacromolecular SubstancesSolventsStatic ElectricityProtein Multimerization