ras Guanine Nucleotide Exchange FactorsGuanine Nucleotide Exchange FactorsSon of Sevenless ProteinsGuanine Nucleotidesras-GRF1Guanineras ProteinsGRB2 Adaptor ProteinRho Guanine Nucleotide Exchange FactorsGuanosine TriphosphateGuanosine DiphosphateNucleotidesAmino Acid MotifsMolecular Sequence DataGenes, rasGTP-Binding ProteinsAmino Acid SequenceProto-Oncogene Proteins p21(ras)Guanylyl ImidodiphosphateGuanosine 5'-O-(3-Thiotriphosphate)Guanine Nucleotide Dissociation InhibitorsBase SequenceProtein BindingKineticsGTP PhosphohydrolasesOncogene Protein p21(ras)Proto-Oncogene Proteins c-vavBinding SitesMutationcdc42 GTP-Binding ProteinProtein Structure, TertiaryThionucleotidesADP-Ribosylation FactorsAdenine NucleotidesCloning, MolecularSequence Homology, Amino AcidGTPase-Activating Proteinsral Guanine Nucleotide Exchange Factorrac1 GTP-Binding ProteinSignal TransductionCell LineAdenylate Cyclaserac GTP-Binding Proteinsrho GTP-Binding Proteinsras GTPase-Activating ProteinsrhoA GTP-Binding ProteinPurine Nucleotidesrap1 GTP-Binding ProteinsCell MembraneGuanine Nucleotide-Releasing Factor 2DNAIMP Dehydrogenaserap GTP-Binding ProteinsEscherichia coliProteinsGuanosine MonophosphateSOS1 ProteinPolymorphism, Single NucleotideEnzyme ActivationVirulence Factors, BordetellaADP-Ribosylation Factor 1Pertussis ToxinModels, MolecularSequence Alignmentrho-Specific Guanine Nucleotide Dissociation InhibitorsGuanine DeaminaseRecombinant Proteinsral GTP-Binding ProteinsRecombinant Fusion ProteinsTransfectionCOS CellsAdenosine Diphosphate RiboseNucleotide MotifsNucleic Acid ConformationAdenosine TriphosphateEukaryotic Initiation Factor-2Brab GTP-Binding ProteinsSaccharomyces cerevisiaeMutagenesis, Site-DirectedProtein ConformationAdenylate Cyclase ToxinPlasmidsMonomeric GTP-Binding ProteinsMagnesiumPhosphorylationSodium FluorideCarrier ProteinsStructure-Activity RelationshipSequence Homology, Nucleic AcidSequence Analysis, DNArho Guanine Nucleotide Dissociation Inhibitor alphaCattleTranscription, GeneticCells, CulturedModels, BiologicalConserved SequenceDNA-Binding ProteinsCholera ToxinCyclic AMPMembrane Proteins