Guanine NucleotidesGuanine Nucleotide Exchange FactorsProtein SubunitsGuanineRho Guanine Nucleotide Exchange FactorsGuanosine TriphosphateNucleotidesGuanosine DiphosphateGTP-Binding ProteinsMolecular Sequence Dataras Guanine Nucleotide Exchange FactorsAmino Acid SequenceGuanosine 5'-O-(3-Thiotriphosphate)Guanylyl ImidodiphosphateMacromolecular SubstancesBase SequenceProtein BindingKineticsGuanine Nucleotide Dissociation InhibitorsRibonuclease PMutationCloning, MolecularHeterotrimeric GTP-Binding ProteinsBinding SitesEscherichia coliGTP PhosphohydrolasesAdenylate CyclaseProtein Structure, TertiaryProto-Oncogene Proteins c-vavThionucleotidesGTP-Binding Protein beta SubunitsSequence Homology, Amino Acidras-GRF1Adenine NucleotidesCell LineVirulence Factors, Bordetellacdc42 GTP-Binding ProteinPertussis ToxinADP-Ribosylation FactorsCell MembraneModels, MolecularProtein ConformationRecombinant Proteinsrac1 GTP-Binding ProteinSignal Transductionrho GTP-Binding ProteinsMolecular WeightPurine NucleotidesDNAGTP-Binding Protein alpha Subunits, Gi-Goral Guanine Nucleotide Exchange FactorIMP DehydrogenaseAdenosine Diphosphate RiboserhoA GTP-Binding Proteinrac GTP-Binding ProteinsGTPase-Activating ProteinsElectrophoresis, Polyacrylamide GelEnzyme ActivationProteinsPolymorphism, Single NucleotideGuanosine MonophosphateGuanine Nucleotide-Releasing Factor 2Saccharomyces cerevisiaeEndoribonucleasesCattleGTP-Binding Protein alpha SubunitsGTP-Binding Protein gamma SubunitsSequence AlignmentNucleic Acid ConformationGuanine DeaminaseADP-Ribosylation Factor 1rap1 GTP-Binding ProteinsRecombinant Fusion Proteinsrho-Specific Guanine Nucleotide Dissociation InhibitorsAdenosine TriphosphateTransfectionSOS1 ProteinMembrane ProteinsCOS CellsSaccharomyces cerevisiae ProteinsBacterial ProteinsModels, BiologicalCrystallography, X-RayRNA, Messengerrap GTP-Binding ProteinsPlasmidsCatalysisEukaryotic Initiation Factor-2BAdenylate Cyclase ToxinMutagenesis, Site-DirectedTranscription, GeneticStructure-Activity RelationshipProto-Oncogene Proteins p21(ras)Sodium FluorideRNA, CatalyticGTP-Binding Protein alpha Subunits, Gq-G11HydrolysisRNAras ProteinsSubstrate Specificity