ras GTPase-Activating Proteinsras Proteinsp120 GTPase Activating ProteinPoint MutationMutation, MissenseGTPase-Activating ProteinsMutationProto-Oncogene Proteins p21(ras)GTP PhosphohydrolasesNeurofibromin 1Frameshift MutationGenes, rasMolecular Sequence DataGerm-Line MutationAmino Acid SequenceProteinsPedigreeSignal TransductionMutation RateBase SequenceExonsAmino Acid SubstitutionHeterozygotePolymerase Chain ReactionDNA Mutational AnalysisAllelesMutagenesis, Site-DirectedOncogene Protein p21(ras)Polymorphism, Single-Stranded ConformationalMutagenesisProtein Structure, TertiaryGenotypeHomozygoteCodon, NonsenseSequence Analysis, DNACell LineGenes, DominantProtein BindingGenes, RecessiveEscherichia coliSequence DeletionSequence Homology, Amino AcidDNA PrimersModels, MolecularPhenotypeGuanosine TriphosphateBinding SitesSuppression, GeneticGenetic TestingDNA-Binding ProteinsSaccharomyces cerevisiaeMembrane ProteinsCodonChromosome MappingCloning, MolecularTransfectionGene DeletionTranscription Factorsrho GTP-Binding ProteinsGenetic Complementation TestSequence AlignmentMonomeric GTP-Binding ProteinsGTP-Binding ProteinsMutant ProteinsPlasmidsBacterial Proteinsrab GTP-Binding ProteinsDNAGenes, p53Carrier ProteinsFounder EffectNuclear ProteinsSyndromeRecombinant ProteinsRecombinant Fusion ProteinsGenetic LinkageCOS CellsKineticsGuanine Nucleotide Exchange FactorsSaccharomyces cerevisiae ProteinsProto-Oncogene ProteinsModels, GeneticGenetic Predisposition to DiseaseTranscription, GeneticConsanguinityGenes, LethalProto-Oncogene Proteins B-rafRNA, MessengerProtein ConformationPromoter Regions, GeneticFungal ProteinsGuanosine DiphosphateCells, CulturedStructure-Activity RelationshipProtein TransportMutagenesis, Insertionalrac1 GTP-Binding ProteinPhosphorylationDNA, MitochondrialPolymorphism, Genetic