tau ProteinsAlzheimer DiseaseAmyloid beta-PeptidesThreoninePhosphorylationPhosphothreonineSerineNeurofibrillary TanglesTauopathiesAmino Acid SequenceProtein-Serine-Threonine KinasesMolecular Sequence DataProtein KinasesPhosphoserinePhosphopeptidesCyclin-Dependent Kinase 5Protein BindingMutationCell LineGlycogen Synthase Kinase 3MicrotubulesEnzyme ActivationBrainMicrotubule-Associated ProteinsThreonine DehydrataseRecombinant ProteinsMutagenesis, Site-DirectedPeptide FragmentsBlotting, WesternSignal TransductionProtein Kinase CProtein Structure, TertiaryNeurofibrilsPhosphoproteins