Guanine Nucleotide Exchange Factorsras Guanine Nucleotide Exchange FactorsRho Guanine Nucleotide Exchange FactorsSon of Sevenless ProteinsGuanine Nucleotidesras-GRF1Guanosine DiphosphateGuanosine Triphosphateras ProteinsProto-Oncogene Proteins c-vavGuanineGRB2 Adaptor ProteinMolecular Sequence Datacdc42 GTP-Binding ProteinGTP-Binding Proteinsrac1 GTP-Binding ProteinADP-Ribosylation FactorsAmino Acid Sequencerho GTP-Binding Proteinsrac GTP-Binding ProteinsrhoA GTP-Binding ProteinGTPase-Activating ProteinsNucleotidesrap1 GTP-Binding ProteinsGTP PhosphohydrolasesGuanine Nucleotide-Releasing Factor 2Protein BindingSOS1 ProteinProtein Structure, TertiaryADP-Ribosylation Factor 1Amino Acid MotifsSignal TransductionProto-Oncogene Proteins p21(ras)ral Guanine Nucleotide Exchange FactorEukaryotic Initiation Factor-2BGenes, rasGuanosine 5'-O-(3-Thiotriphosphate)Guanine Nucleotide Dissociation Inhibitorsrab GTP-Binding ProteinsProteinsKineticsMutationSequence Homology, Amino AcidCell Linerap GTP-Binding Proteinsral GTP-Binding ProteinsEnzyme ActivationCOS CellsElectric StimulationBase SequenceBinding SitesGuanylyl ImidodiphosphateOncogene Protein p21(ras)Monomeric GTP-Binding ProteinsRecombinant Fusion Proteinsrab5 GTP-Binding ProteinsTransfectionAdaptor Proteins, Signal TransducingCloning, MolecularCell MembranePhosphorylationras GTPase-Activating ProteinsGTP-Binding Protein alpha Subunits, G12-G13Recombinant Proteinsrab1 GTP-Binding ProteinsCell Cycle Proteins3T3 CellsTwo-Hybrid System TechniquesEukaryotic Initiation Factor-2Cells, CulturedProto-Oncogene ProteinsCarrier ProteinsModels, MolecularCoat Protein Complex Irho-Specific Guanine Nucleotide Dissociation InhibitorsActinsProtein TransportSaccharomyces cerevisiae ProteinsModels, BiologicalSaccharomyces cerevisiaeSequence Alignmentran GTP-Binding ProteinHeLa CellsThionucleotidesBrefeldin Ap21-Activated KinasesFungal ProteinsAdenylate CyclaseMembrane ProteinsCyclic AMPNIH 3T3 CellsMutagenesis, Site-Directedsrc Homology DomainsCatalysisEscherichia coliProtein ConformationPhosphoproteinsGolgi ApparatusCytoskeletonTime Factors