IsomerismSmall Molecule LibrariesHeterotaxy SyndromeHeart Defects, CongenitalHeart AtriaSitus InversusHeart Septal DefectsAbnormalities, MultipleVenae CavaeDextrocardiaCell Adhesion MoleculesLevocardiaHeart Bypass, RightModels, MolecularPulmonary VeinsErythrocruorinsMolecular StructurePulmonary Veno-Occlusive DiseaseMolecular Sequence DataProtein BindingAmino Acid SequenceGrowth Differentiation Factor 1Fetal HeartCyanosisAbortion, EugenicProtein ConformationBinding SitesSignal TransductionMagnetic Resonance SpectroscopyHigh-Throughput Screening AssaysDrug Evaluation, PreclinicalCell LineNodal ProteinLigandsDrug DesignAtrioventricular NodeStructure-Activity RelationshipFetal DiseasesCells, CulturedKineticsDrug DiscoveryBase SequenceVena Cava, InferiorStereoisomerismCrystallography, X-RayCell Line, TumorProtein Structure, TertiaryFontan ProcedureAzygos VeinPeptidesNeural Cell Adhesion MoleculesTachycardia, SupraventricularSinoatrial NodeCombinatorial Chemistry TechniquesProlineAntibodies, MonoclonalHeart BlockMutationIntercellular Adhesion Molecule-1Recombinant ProteinsModels, BiologicalUltrasonography, PrenatalHeart ValvesCell AdhesionMice, Inbred C57BLTime FactorsAtrial AppendageMolecular ConformationProteinsDNAEnzyme InhibitorsMolecular WeightHeart Septal Defects, AtrialAntigens, CDPregnancyNucleic Acid ConformationMembrane ProteinsPrenatal DiagnosisInfant, NewbornBody PatterningEscherichia coliPeptide FragmentsCell MembraneInhibitory Concentration 50SyndromeAntineoplastic AgentsRNA, MessengerTransfectionT-LymphocytesWaterApoptosisSpleenMembrane GlycoproteinsCell ProliferationProtein Kinase InhibitorsFlow CytometryVascular Cell Adhesion Molecule-1Histocompatibility Antigens Class IFluorescent DyesPhosphorylation