Signal TransductionProtein Sorting SignalsT-LymphocytesMolecular Sequence DataPhosphorylationCell LineCells, CulturedLymphocyte ActivationTyrosineAmino Acid SequenceReceptors, Antigen, T-CellCell CommunicationBase SequenceCalciumMutationB-LymphocytesMembrane ProteinsModels, BiologicalEnzyme ActivationDrosophila ProteinsLigandsEpithelial CellsProtein-Tyrosine KinasesApoptosisSignal Processing, Computer-AssistedNuclear Localization SignalsRecombinant Fusion ProteinsRNA, MessengerCloning, MolecularAdaptor Proteins, Signal TransducingSignal Detection, PsychologicalNuclear Export SignalsDNA-Binding ProteinsTransfectionTime FactorsTranscription FactorsTranscription, GeneticProtein Structure, TertiarySequence Homology, Amino AcidProtein TransportBacterial ProteinsAnimal CommunicationCell NucleusGene Expression RegulationSTAT3 Transcription FactorRecombinant ProteinsCalcium SignalingEscherichia coliCell MembraneNeuronsCytoplasmCell DifferentiationMice, Inbred C57BLCarrier ProteinsBinding SitesKineticsProteinsPlasmidsAlgorithmsProtein Processing, Post-TranslationalGene ExpressionBlotting, WesternBrainPhotic StimulationDNA, ComplementaryCOS CellsMitogen-Activated Protein KinasesDNASequence AlignmentMice, KnockoutProtein-Serine-Threonine KinasesMicroscopy, FluorescenceReceptors, Cell SurfaceGreen Fluorescent ProteinsPromoter Regions, GeneticCell DivisionIn Situ HybridizationActive Transport, Cell NucleusBiological TransportMutagenesis, Site-DirectedEndoplasmic ReticulumAmino Acid MotifsMembrane GlycoproteinsImage Processing, Computer-AssistedTumor Cells, CulturedHeLa CellsReverse Transcriptase Polymerase Chain ReactionEnzyme InhibitorsIntracellular Signaling Peptides and ProteinsGene Expression Regulation, BacterialMice, TransgenicPhenotypeProtein PrecursorsPhosphoproteinsModels, NeurologicalNuclear ProteinsCell Line, TumorElectron Spin Resonance SpectroscopyReproducibility of ResultsArabidopsis