IsomerismHeterotaxy SyndromeHeart Defects, CongenitalHeart AtriaSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaLevocardiaHeart Bypass, RightPulmonary VeinsErythrocruorinsPulmonary Veno-Occlusive DiseaseGrowth Differentiation Factor 1Fetal HeartCyanosisAbortion, EugenicModels, MolecularCell Adhesion MoleculesMagnetic Resonance SpectroscopyNodal ProteinAtrioventricular NodeFetal DiseasesMolecular StructureVena Cava, InferiorProtein ConformationFontan ProcedureAzygos VeinMolecular Sequence DataStereoisomerismTachycardia, SupraventricularSinoatrial NodeHeart BlockAmino Acid SequenceUltrasonography, PrenatalHeart ValvesProlineAtrial AppendageHeart Septal Defects, AtrialPrenatal DiagnosisBinding SitesSmall Molecule LibrariesInfant, NewbornProtein BindingSpectrometry, Mass, Fast Atom BombardmentSyndromeBody PatterningPregnancyCrystallography, X-RayKineticsEchocardiographySpleenMolecular ConformationBase SequenceStructure-Activity RelationshipHydrogen BondingGestational AgeCell LineAsiaTime FactorsWaterSignal TransductionNeural Cell Adhesion MoleculesLigandsCells, CulturedProtein Structure, TertiaryProteinsIntercellular Adhesion Molecule-1Recombinant ProteinsEscherichia coliMolecular WeightPeptidesAntibodies, MonoclonalThermodynamicsX-Ray DiffractionDNAStomachCell AdhesionRetrospective StudiesNucleic Acid ConformationAntigens, CDMass SpectrometryPeptide FragmentsCrystallizationMutationOxidation-ReductionMembrane ProteinsMice, Inbred C57BLSubstrate SpecificityProtein Structure, SecondaryModels, BiologicalBacterial ProteinsHistocompatibility Antigens Class IElectrophoresis, Polyacrylamide GelT-LymphocytesCatalysisTreatment OutcomeCell MembraneMembrane Glycoproteins