Guanine Nucleotide Exchange FactorsRho Guanine Nucleotide Exchange Factorsras Guanine Nucleotide Exchange Factorsral Guanine Nucleotide Exchange FactorGuanine Nucleotide-Releasing Factor 2Son of Sevenless ProteinsProto-Oncogene Proteins c-vavras ProteinsrhoA GTP-Binding Proteinras-GRF1rho GTP-Binding Proteinsrac GTP-Binding ProteinsSignal TransductionGuanineCell MovementGRB2 Adaptor ProteinPhosphorylationEnzyme ActivationAmino Acid MotifsGenes, rasGuanine NucleotidesGuanosine DiphosphateMolecular Sequence DataProto-Oncogene Proteins p21(ras)Guanosine TriphosphateAmino Acid Sequencecdc42 GTP-Binding ProteinGTPase-Activating Proteinsrac1 GTP-Binding ProteinProtein BindingProtein Structure, TertiaryADP-Ribosylation Factorsrap1 GTP-Binding ProteinsGTP-Binding ProteinsOncogene Protein p21(ras)SOS1 ProteinGTP PhosphohydrolasesDeuterium Exchange MeasurementMutationPulmonary Gas ExchangeSequence Homology, Amino AcidBase Sequencerap GTP-Binding ProteinsBinding SitesExchange Transfusion, Whole BloodKineticsADP-Ribosylation Factor 1Proteinsras GTPase-Activating ProteinsSister Chromatid ExchangeCell LineCOS Cellsral GTP-Binding Proteinsrab GTP-Binding ProteinsRecombinant Fusion ProteinsGuanine DeaminaseModels, MolecularCarrier ProteinsHSP110 Heat-Shock ProteinsTransfectionCell Cycle ProteinsSaccharomyces cerevisiae ProteinsCell Membranep21-Activated KinasesModels, BiologicalProtein Transport3T3 CellsSaccharomyces cerevisiaeAdaptor Proteins, Signal TransducingGuanine Nucleotide Dissociation InhibitorsSequence AlignmentEukaryotic Initiation Factor-2BTwo-Hybrid System TechniquesRecombinant ProteinsMonomeric GTP-Binding ProteinsProto-Oncogene ProteinsNucleotide MotifsCloning, Molecularrab5 GTP-Binding ProteinsHeLa CellsFungal ProteinsGuanosine 5'-O-(3-Thiotriphosphate)HydrogenProtein Conformationran GTP-Binding ProteinMutagenesis, Site-DirectedCells, CulturedDNAActinsMembrane ProteinsSodium-Hydrogen AntiporterCoat Protein Complex INIH 3T3 CellsGTP-Binding Protein alpha Subunits, G12-G13DNA-Binding ProteinsEscherichia coliProtein Structure, SecondaryProtein-Serine-Threonine KinasesChromatography, Ion ExchangeHydrogen-Ion Concentration