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 ProteinNucleotidesGTPase-Activating ProteinsProtein Bindingrap1 GTP-Binding ProteinsGTP PhosphohydrolasesGuanine Nucleotide-Releasing Factor 2Protein Structure, TertiarySOS1 ProteinAmino Acid MotifsADP-Ribosylation Factor 1Proto-Oncogene Proteins p21(ras)ral Guanine Nucleotide Exchange FactorSignal TransductionEukaryotic Initiation Factor-2BGenes, rasGuanine Nucleotide Dissociation InhibitorsGuanosine 5'-O-(3-Thiotriphosphate)rab GTP-Binding ProteinsProteinsSequence Homology, Amino AcidMutationKineticsrap GTP-Binding Proteinsral GTP-Binding ProteinsCOS CellsCell LineBase SequenceEnzyme ActivationBinding SitesGuanylyl ImidodiphosphateOncogene Protein p21(ras)Monomeric GTP-Binding Proteinsrab5 GTP-Binding ProteinsRecombinant Fusion ProteinsCloning, MolecularAdaptor Proteins, Signal TransducingModels, MolecularTransfectionras GTPase-Activating ProteinsGTP-Binding Protein alpha Subunits, G12-G13rab1 GTP-Binding ProteinsCell MembraneRecombinant ProteinsCell Cycle ProteinsTwo-Hybrid System TechniquesEukaryotic Initiation Factor-2PhosphorylationCoat Protein Complex ICarrier Proteinsrho-Specific Guanine Nucleotide Dissociation Inhibitors3T3 CellsActinsSaccharomyces cerevisiae ProteinsProto-Oncogene ProteinsProtein TransportSaccharomyces cerevisiaeran GTP-Binding ProteinSequence AlignmentHeLa CellsModels, BiologicalBrefeldin Ap21-Activated KinasesThionucleotidesFungal ProteinsEscherichia coliCatalysisMutagenesis, Site-DirectedMembrane ProteinsNIH 3T3 Cellssrc Homology DomainsCells, CulturedAdenylate CyclaseProtein ConformationGolgi ApparatusGTP-Binding Protein alpha SubunitsCytoskeletonPhosphoproteinsCyclic AMPNuclear Proteins