ras GTPase-Activating Proteinsras Proteinsp120 GTPase Activating ProteinGTPase-Activating ProteinsProto-Oncogene Proteins p21(ras)GTP PhosphohydrolasesNeurofibromin 1Point MutationMutation, MissenseGenes, rasMutationProteinsMolecular Sequence DataAmino Acid SequenceSignal TransductionFrameshift MutationGerm-Line MutationOncogene Protein p21(ras)Post-Synaptic DensityFetal ViabilityPedigreeBase SequenceHeterozygoteGuanosine TriphosphateGuanylate KinaseMutation RateAmino Acid SubstitutionExonsrho GTP-Binding ProteinsMembrane ProteinsMonomeric GTP-Binding ProteinsMutagenesis, Site-DirectedProtein Structure, TertiaryPolymerase Chain ReactionDNA Mutational AnalysisAllelesrab GTP-Binding ProteinsGTP-Binding ProteinsProtein BindingCell LineMutagenesisSensory System AgentsBehavioral SymptomsGuanine Nucleotide Exchange FactorsPolymorphism, Single-Stranded ConformationalSequence Homology, Amino AcidGenotypeProtein TransportDendritic SpinesGenes, DominantGuanosine DiphosphateHomozygoteBinding SitesNerve Tissue Proteinsrac1 GTP-Binding ProteinCells, CulturedSequence Analysis, DNAEscherichia coliModels, MolecularCodon, NonsensePhenotypeIntracellular Signaling Peptides and ProteinsDNA PrimersSaccharomyces cerevisiaeTransfectionrac GTP-Binding ProteinsPhosphorylationSequence DeletionSuppression, GeneticGenes, RecessiveCloning, MolecularDNA-Binding ProteinsNeuronsRecombinant Fusion ProteinsEnzyme ActivationSequence AlignmentrhoA GTP-Binding ProteinCalcium-Calmodulin-Dependent Protein Kinase Type 2Gene DeletionGenetic TestingTranscription FactorsCarrier ProteinsDynaminsCodonSaccharomyces cerevisiae ProteinsRecombinant ProteinsCOS CellsProto-Oncogene Proteins c-rafProto-Oncogene ProteinsChromosome MappingSynapsesKineticsGenetic Complementation TestBlotting, Westernras Guanine Nucleotide Exchange Factorsrap GTP-Binding ProteinsPlasmidsGene TargetingBacterial ProteinsNuclear Proteins