PQQ CofactorTyrosineCoenzymesProtein Tyrosine PhosphatasesTyrosine 3-MonooxygenaseQuinolonesHeparin Cofactor IIPhosphorylationGlucose 1-DehydrogenaseMolecular Sequence DataQuinonesAmino Acid SequencePhosphotyrosinePteridinesSignal TransductionProtein Tyrosine Phosphatase, Non-Receptor Type 11KineticsBinding SitesReceptor Protein-Tyrosine Kinases