ras Guanine Nucleotide Exchange FactorsGuanine Nucleotide Exchange FactorsSOS1 Proteinras-GRF1Son of Sevenless Proteinsras ProteinsGRB2 Adaptor ProteinRho Guanine Nucleotide Exchange FactorsGuanine NucleotidesGuanosine DiphosphateGuanosine TriphosphateMolecular Sequence DataAmino Acid SequenceProto-Oncogene Proteins c-vavSignal TransductionGenes, rasGuanineProteinsAdaptor Proteins, Signal Transducingcdc42 GTP-Binding ProteinGTP-Binding ProteinsProto-Oncogene Proteins p21(ras)rac1 GTP-Binding ProteinADP-Ribosylation Factorsrac GTP-Binding Proteinsrho GTP-Binding ProteinsGTPase-Activating ProteinsrhoA GTP-Binding Proteinrap1 GTP-Binding ProteinsNucleotidesGTP PhosphohydrolasesGuanine Nucleotide-Releasing Factor 2Protein BindingADP-Ribosylation Factor 1Protein Structure, TertiaryAmino Acid Motifsral Guanine Nucleotide Exchange FactorOncogene Protein p21(ras)Eukaryotic Initiation Factor-2BGuanine Nucleotide Dissociation InhibitorsGuanosine 5'-O-(3-Thiotriphosphate)rab GTP-Binding Proteinsrap GTP-Binding ProteinsMutationSequence Homology, Amino Acidral GTP-Binding Proteinsras GTPase-Activating ProteinsPhosphorylationCOS CellsKineticsCell LineEnzyme ActivationBase SequenceBinding SitesGuanylyl ImidodiphosphateMonomeric GTP-Binding Proteinsrab5 GTP-Binding ProteinsRecombinant Fusion ProteinsCloning, MolecularTransfectionCell MembraneGTP-Binding Protein alpha Subunits, G12-G133T3 Cellsrab1 GTP-Binding ProteinsCell Cycle ProteinsProto-Oncogene ProteinsTwo-Hybrid System TechniquesEukaryotic Initiation Factor-2Models, MolecularRecombinant ProteinsCoat Protein Complex Irho-Specific Guanine Nucleotide Dissociation InhibitorsSaccharomyces cerevisiae ProteinsActinsCarrier ProteinsSaccharomyces cerevisiaeProtein Transportran GTP-Binding ProteinSequence AlignmentModels, BiologicalHeLa CellsFungal Proteinsp21-Activated KinasesBrefeldin AThionucleotidesNIH 3T3 Cellssrc Homology DomainsMutagenesis, Site-DirectedCatalysisCells, CulturedMembrane ProteinsEscherichia coliAdenylate CyclaseProtein ConformationGolgi ApparatusCytoskeletonGTP-Binding Protein alpha SubunitsCyclic AMPProtein-Serine-Threonine KinasesPhosphoproteins