Son of Sevenless Protein, DrosophilaSon of Sevenless ProteinsTyrosineGuanineSOS1 ProteinMolecular Sequence DataGuanine NucleotidesGuanine Nucleotide Exchange FactorsReceptor Protein-Tyrosine KinasesPhotoreceptor Cells, InvertebrateProtein Tyrosine PhosphatasesAmino Acid SequenceEye ProteinsDrosophilaSignal TransductionDrosophila ProteinsPhosphorylationEyeras Guanine Nucleotide Exchange FactorsBase SequenceProtein BindingTyrosine 3-MonooxygenaseMutationBinding Sitesras ProteinsProtein Tyrosine Phosphatases, Non-Receptorsrc Homology DomainsGRB2 Adaptor ProteinMembrane GlycoproteinsGuanine DeaminaseCell LineSequence Homology, Amino AcidProteinsAdaptor Proteins, Signal TransducingPhosphotyrosineEnzyme ActivationRecombinant Fusion ProteinsProtein Structure, TertiaryMembrane ProteinsPhotoreceptor CellsSupraoptic NucleusDNAProto-Oncogene ProteinsReceptors, PeptideKineticsGuanosine TriphosphateDrosophila melanogasterGTP-Binding ProteinsGenes, InsectPhylogenySequence AlignmentReceptor, Epidermal Growth FactorProtein Tyrosine Phosphatase, Non-Receptor Type 11Cloning, MolecularRho Guanine Nucleotide Exchange FactorsRecombinant ProteinsModels, MolecularGuanosine DiphosphatePhosphoproteinsTransfectionCells, CulturedProtein Tyrosine Phosphatase, Non-Receptor Type 6Multigene FamilyPhenotypeDNA-Binding ProteinsProto-Oncogene Proteins c-rafProtein Tyrosine Phosphatase, Non-Receptor Type 1Substrate SpecificityMutagenesis, Site-DirectedRNA, MessengerDNA, ComplementaryCOS CellsGenesCell MembraneEnhancer Elements, GeneticCalcium-Calmodulin-Dependent Protein KinasesEnzyme InhibitorsEvolution, MolecularGene Expression RegulationLymphocyte Specific Protein Tyrosine Kinase p56(lck)Animals, Genetically ModifiedTranscription FactorsIntracellular Signaling Peptides and Proteins