Son of Sevenless Protein, DrosophilaSon of Sevenless ProteinsTyrosineGuanineSOS1 ProteinGuanine Nucleotide Exchange FactorsGuanine NucleotidesReceptor Protein-Tyrosine KinasesPhotoreceptor Cells, InvertebrateGTP PhosphohydrolasesProtein Tyrosine PhosphatasesEye ProteinsMolecular Sequence DataSignal TransductionDrosophilaAmino Acid SequenceDrosophila ProteinsPhosphorylationras Guanine Nucleotide Exchange FactorsEyeProtein BindingGuanosine TriphosphateTyrosine 3-MonooxygenaseMutationras ProteinsBase SequenceBinding SitesGTP-Binding Proteinssrc Homology DomainsProtein Tyrosine Phosphatases, Non-ReceptorGRB2 Adaptor ProteinEnzyme ActivationMembrane GlycoproteinsGuanosine DiphosphateAdaptor Proteins, Signal TransducingGuanine DeaminaseGTPase-Activating Proteinsrho GTP-Binding ProteinsProteinsCell LineRecombinant Fusion ProteinsMembrane ProteinsPhotoreceptor CellsPhosphotyrosineProtein Structure, TertiaryReceptors, PeptideKineticsProto-Oncogene ProteinsSupraoptic NucleusRho Guanine Nucleotide Exchange Factorsrac1 GTP-Binding Proteinrab GTP-Binding ProteinsDrosophila melanogasterDNAReceptor, Epidermal Growth FactorMonomeric GTP-Binding ProteinsGenes, InsectProtein Tyrosine Phosphatase, Non-Receptor Type 11rac GTP-Binding ProteinsPhosphoproteinsrhoA GTP-Binding ProteinRecombinant ProteinsCells, CulturedTransfectionModels, MolecularSequence Homology, Amino AcidProtein Tyrosine Phosphatase, Non-Receptor Type 6Proto-Oncogene Proteins c-rafCell MembranePhenotypeGuanosine 5'-O-(3-Thiotriphosphate)ADP-Ribosylation FactorsGuanine Nucleotide Dissociation Inhibitorsras GTPase-Activating ProteinsProtein Tyrosine Phosphatase, Non-Receptor Type 1COS CellsMutagenesis, Site-DirectedIntracellular Signaling Peptides and ProteinsGuanylyl ImidodiphosphateEnzyme InhibitorsCarrier ProteinsDNA-Binding Proteins3T3 CellsProtein TransportAnimals, Genetically ModifiedDynaminsCalcium-Calmodulin-Dependent Protein KinasesLymphocyte Specific Protein Tyrosine Kinase p56(lck)Enhancer Elements, GeneticCloning, MolecularGenisteinEscherichia coliMorphogenesisVanadatesProto-Oncogene Proteins c-vav