ras GTPase-Activating Proteinsras Proteinsp120 GTPase Activating ProteinGTPase-Activating ProteinsMutationProto-Oncogene Proteins p21(ras)GTP PhosphohydrolasesPoint MutationNeurofibromin 1Mutation, MissenseGenes, rasMolecular Sequence DataAmino Acid SequenceProteinsGerm-Line MutationFrameshift MutationDNA Mutational AnalysisSignal TransductionBase SequenceImmunoglobulin Variable RegionMutation RateOncogene Protein p21(ras)ExonsGenes, ImmunoglobulinPolymerase Chain ReactionPedigreeImmunoglobulin Heavy ChainsPolymorphism, Single-Stranded ConformationalAllelesAmino Acid SubstitutionExomeHeterozygoteGuanosine TriphosphateSequence Analysis, DNAMutagenesisDNA, NeoplasmLoss of HeterozygositySequence DeletionProtein Structure, TertiaryCell LineMutagenesis, Site-Directedrho GTP-Binding ProteinsGenotypeProtein BindingMonomeric GTP-Binding ProteinsPhenotypeDNA PrimersGene DeletionProto-Oncogene Proteins B-rafProto-Oncogene Proteinsrab GTP-Binding ProteinsGTP-Binding ProteinsSequence Homology, Amino AcidCodonHomozygoteCell Transformation, NeoplasticGene Rearrangement, B-Lymphocyte, Heavy ChainDNA-Binding ProteinsMembrane ProteinsCloning, MolecularModels, MolecularGuanine Nucleotide Exchange FactorsGenes, p53Binding SitesSequence AlignmentTransfectionSomatic Hypermutation, ImmunoglobulinGenes, APCGenes, DominantGuanosine DiphosphateNeoplasmsDNArac1 GTP-Binding ProteinGenetic TestingNuclear ProteinsTranscription FactorsGenes, Tumor SuppressorEscherichia coliCodon, NonsenseDNA, MitochondrialChromosome MappingSaccharomyces cerevisiaeB-LymphocytesMicrosatellite Repeatsrac GTP-Binding ProteinsModels, GeneticCarrier ProteinsProtein-Serine-Threonine KinasesCell Line, TumorSuppression, GeneticMutant ProteinsRecombinant Fusion ProteinsGenes, RecessiveEnzyme ActivationImmunoglobulin Light ChainsCells, CulturedGenetic Predisposition to DiseaseRNA, MessengerGene Rearrangement, B-LymphocyteAntibody Diversity