Smad4 ProteinSmad ProteinsSmad3 ProteinSignal TransductionSmad7 ProteinSmad1 ProteinSmad2 ProteinTransforming Growth Factor betaSmad5 ProteinSmad8 ProteinTransduction, GeneticProtein Sorting SignalsMolecular Sequence DataPhosphorylationAmino Acid SequenceCell LineDNA-Binding ProteinsTrans-ActivatorsCells, CulturedBase SequenceMutationEnzyme ActivationTransfectionModels, BiologicalProtein-Tyrosine KinasesRNA, MessengerTranscription FactorsMitogen-Activated Protein KinasesGene Expression RegulationProtein BindingRecombinant Fusion ProteinsProtein-Serine-Threonine KinasesProtein Structure, TertiaryTranscription, GeneticTyrosineMembrane ProteinsBlotting, WesternCalciumPhosphoproteinsProtein Kinase CProtein KinasesRecombinant ProteinsSequence Homology, Amino AcidGenetic VectorsAdaptor Proteins, Signal TransducingTumor Cells, CulturedEnzyme InhibitorsBacterial ProteinsGene ExpressionCOS CellsProteinsBinding SitesCell DivisionReceptors, Cell SurfaceGTP-Binding ProteinsBone Morphogenetic ProteinsIntracellular Signaling Peptides and ProteinsPromoter Regions, GeneticCell MembraneMAP Kinase Signaling SystemCell DifferentiationProto-Oncogene ProteinsReceptors, Transforming Growth Factor betaCloning, MolecularKineticsCell NucleusTime FactorsType C PhospholipasesCarrier ProteinsApoptosisPhosphatidylinositol 3-KinasesCalcium-Calmodulin-Dependent Protein KinasesReverse Transcriptase Polymerase Chain ReactionCyclic AMPTransforming Growth Factor beta1Cell Line, TumorGenes, Reporter3T3 CellsCytoplasmLigandsMice, Inbred C57BLTranscriptional ActivationDNA, ComplementaryPhenotypeProtein TransportPhosphotyrosineMice, KnockoutMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase Kinasesras ProteinsGene Expression Regulation, BacterialGene Expression ProfilingCell ProliferationSecond Messenger SystemsNF-kappa BPrecipitin TestsFibroblastsGreen Fluorescent ProteinsPlasmidsMitogen-Activated Protein Kinase 3