ras ProteinsGenes, rasMonomeric GTP-Binding Proteinsras Guanine Nucleotide Exchange FactorsAmino AcidsAmino Acid SequenceSequence Homology, Amino AcidMolecular Sequence DataSignal Transductionrho GTP-Binding ProteinsAmino Acid SubstitutionProto-Oncogene Proteins p21(ras)Cloning, MolecularGTP Phosphohydrolasescdc42 GTP-Binding ProteinOncogene Protein p21(ras)MutationAmino Acids, Essentialrac GTP-Binding ProteinsSequence Alignmentrac1 GTP-Binding ProteinAmino Acid Transport SystemsBase SequenceAmino Acid Motifsras GTPase-Activating Proteinsrab GTP-Binding ProteinsBinding SitesProtein BindingProtein Structure, TertiaryEscherichia colirhoA GTP-Binding ProteinGuanine Nucleotide Exchange FactorsMutagenesis, Site-DirectedGTPase-Activating ProteinsRecombinant ProteinsDNA, ComplementaryCell LineKineticsModels, MolecularRecombinant Fusion ProteinsProtein ConformationPeptide FragmentsProteinsSequence Homology, Nucleic AcidAmino Acids, AromaticAmino Acids, Branched-ChainGuanosine TriphosphateGTP-Binding ProteinsStructure-Activity RelationshipLeucineAmino Acids, SulfurBacterial ProteinsSubstrate Specificityral GTP-Binding ProteinsTransfectionDNAPeptidesPhylogenyMolecular WeightCarrier ProteinsPlasmidsRNA, MessengerRestriction MappingCOS CellsConserved SequenceMembrane ProteinsEnzyme ActivationGuanosine DiphosphateSaccharomyces cerevisiaeDNA PrimersSequence Analysis, DNAProtein Structure, SecondaryElectrophoresis, Polyacrylamide GelCell MembraneAlanineBiological TransportGenes, Bacterialrap GTP-Binding ProteinsGuanine Nucleotide Dissociation InhibitorsActinsAmino Acid Transport Systems, Basicrab5 GTP-Binding ProteinsSpecies SpecificityLysineIsoleucinePoint MutationCells, CulturedPhosphorylationCattleCodonAmino Acids, BasicCytoskeletonProtein TransportFungal ProteinsChromatography, High Pressure LiquidProto-Oncogene Proteins c-rafTranscription, Geneticp21-Activated Kinases3T3 CellsProtein Biosynthesis