CatalysisEnzymesBiocatalysisCatalytic DomainKineticsModels, MolecularProtein ConformationCell Transformation, NeoplasticBinding SitesModels, ChemicalHydrogen-Ion ConcentrationTransformation, GeneticTransformation, BacterialCell Transformation, ViralMolecular Sequence DataAmino Acid SequenceSubstrate SpecificityMutationBase SequenceMutagenesis, Site-DirectedCrystallography, X-RayEscherichia coliPlasmidsCell LineCell Line, TransformedProtein BindingCloning, MolecularOncogenesMolecular StructureProtein Structure, TertiaryRecombinant ProteinsFibroblastsDNA Transformation CompetenceGenes, rasStereoisomerismStructure-Activity RelationshipSequence Homology, Amino AcidDNA, BacterialHydrolysis3T3 CellsOxidation-ReductionRNA, CatalyticCell DivisionHistidinePhenotypeCells, CulturedTransfectionAgrobacteriumTemperatureBacterial ProteinsDNAAmino Acid SubstitutionAntibodies, CatalyticAgrobacterium tumefaciensSequence AlignmentSignal TransductionDNA PrimersDNA-Binding ProteinsHydrogen BondingTime FactorsOncogene Protein pp60(v-src)Enzyme ActivationBiotransformationEnzyme StabilityOncogene Proteins, ViralThermodynamicsProtein Structure, SecondaryGenetic VectorsModels, BiologicalMetalsMagnesiumMolecular ConformationPlants, Genetically ModifiedAspartic AcidCyclizationPhosphorylationProto-Oncogene ProteinsSimian virus 40Transcription FactorsNIH 3T3 CellsRNA, MessengerConserved SequenceOxidoreductasesras ProteinsCysteineMutagenesisTranscription, GeneticAntigens, Polyomavirus TransformingRecombinant Fusion ProteinsBacillus subtilisOncogene Protein p21(ras)AlkenesAdenosine TriphosphateProtonsSpectrophotometryAvian Sarcoma VirusesPalladiumMagnetic Resonance SpectroscopyEpithelial CellsGenes, src