Guanine Nucleotide Exchange FactorsRho Guanine Nucleotide Exchange Factorsras Guanine Nucleotide Exchange FactorsGuanine NucleotidesGuanosine DiphosphateProto-Oncogene Proteins c-vavGuanosine Triphosphateras-GRF1cdc42 GTP-Binding Proteinrac1 GTP-Binding Proteinrho GTP-Binding ProteinsGuanineADP-Ribosylation Factorsrac GTP-Binding Proteinsrap1 GTP-Binding ProteinsrhoA GTP-Binding ProteinGuanine Nucleotide-Releasing Factor 2GTP-Binding ProteinsGTPase-Activating ProteinsSOS1 ProteinMolecular Sequence DataGTP PhosphohydrolasesADP-Ribosylation Factor 1NucleotidesAmino Acid SequenceProtein Structure, Tertiaryral Guanine Nucleotide Exchange FactorProtein BindingSignal TransductionSon of Sevenless ProteinsEukaryotic Initiation Factor-2Brab GTP-Binding ProteinsGuanine Nucleotide Dissociation Inhibitorsras Proteinsral GTP-Binding Proteinsrap GTP-Binding ProteinsCOS CellsProteinsGuanosine 5'-O-(3-Thiotriphosphate)Sequence Homology, Amino AcidMutationrab5 GTP-Binding ProteinsEnzyme ActivationGTP-Binding Protein alpha Subunits, G12-G13Monomeric GTP-Binding ProteinsCoat Protein Complex ICell LineAdaptor Proteins, Signal TransducingCell Cycle ProteinsGuanylyl ImidodiphosphateTwo-Hybrid System TechniquesRecombinant Fusion Proteinsp21-Activated KinasesProto-Oncogene Proteins p21(ras)Eukaryotic Initiation Factor-2KineticsTransfectionProtein Transportran GTP-Binding Proteinrho-Specific Guanine Nucleotide Dissociation InhibitorsCell Membrane3T3 CellsActinsCloning, MolecularProto-Oncogene Proteinsrab1 GTP-Binding ProteinsBinding SitesBase SequencePhosphorylationSaccharomyces cerevisiae ProteinsHeLa CellsBrefeldin AHSP110 Heat-Shock ProteinsNIH 3T3 CellsSaccharomyces cerevisiaeCarrier ProteinsRecombinant ProteinsCytoskeletonModels, Biologicalsrc Homology DomainsFungal ProteinsCell MovementOncogene ProteinsA Kinase Anchor Proteinsras GTPase-Activating ProteinsGolgi Apparatuscdc42 GTP-Binding Protein, Saccharomyces cerevisiaeStress FibersSequence AlignmentGRB2 Adaptor ProteinModels, MolecularThionucleotidesPhosphoproteinsMicroscopy, FluorescenceCells, CulturedCercopithecus aethiopsGTP-Binding Protein alpha SubunitsCyclic AMPHeterotrimeric GTP-Binding ProteinsMembrane Proteins