Son of Sevenless Protein, DrosophilaSon of Sevenless ProteinsTyrosineGuanineSOS1 ProteinGuanine NucleotidesGuanine Nucleotide Exchange FactorsReceptor Protein-Tyrosine KinasesPhotoreceptor Cells, InvertebrateProtein Tyrosine PhosphatasesEye ProteinsMolecular Sequence DataDrosophilaDrosophila Proteinsras Guanine Nucleotide Exchange FactorsSignal TransductionEyePhosphorylationAmino Acid SequenceTyrosine 3-MonooxygenaseProtein BindingBase SequenceProtein Tyrosine Phosphatases, Non-Receptorsrc Homology Domainsras ProteinsMutationGRB2 Adaptor ProteinBinding SitesGuanine DeaminaseMembrane GlycoproteinsAdaptor Proteins, Signal TransducingPhosphotyrosinePhotoreceptor CellsSupraoptic NucleusEnzyme ActivationProteinsCell LineReceptors, PeptideProto-Oncogene ProteinsRecombinant Fusion ProteinsMembrane ProteinsGuanosine TriphosphateDrosophila melanogasterDNAKineticsProtein Tyrosine Phosphatase, Non-Receptor Type 11Receptor, Epidermal Growth FactorGenes, InsectRho Guanine Nucleotide Exchange FactorsGTP-Binding ProteinsProtein Structure, TertiaryGuanosine DiphosphateProtein Tyrosine Phosphatase, Non-Receptor Type 6PhosphoproteinsProto-Oncogene Proteins c-rafProtein Tyrosine Phosphatase, Non-Receptor Type 1Recombinant ProteinsCells, CulturedTransfectionPhenotypeModels, MolecularEnhancer Elements, GeneticLymphocyte Specific Protein Tyrosine Kinase p56(lck)