ras GTPase-Activating Proteinsras Proteinsp120 GTPase Activating ProteinGTPase-Activating ProteinsProto-Oncogene Proteins p21(ras)GTP PhosphohydrolasesNeurofibromin 1Genes, rasProteinsSignal TransductionMolecular Sequence DataAmino Acid SequenceOncogene Protein p21(ras)Guanosine Triphosphaterho GTP-Binding ProteinsMonomeric GTP-Binding Proteinsrab GTP-Binding ProteinsGTP-Binding ProteinsGuanine Nucleotide Exchange FactorsGuanosine Diphosphaterac1 GTP-Binding Proteinrac GTP-Binding ProteinsrhoA GTP-Binding ProteinDynaminsras Guanine Nucleotide Exchange Factorsrap GTP-Binding ProteinsMutationProto-Oncogene Proteins c-rafran GTP-Binding Proteinral GTP-Binding ProteinsEnzyme Activationrap1 GTP-Binding ProteinsGTP Phosphohydrolase-Linked Elongation FactorsProtein Binding