Phenylalanine HydroxylasePhenylalanine Ammonia-LyasePhenylketonuriasPhenylalaninePhenylpyruvic AcidsTyrosineAmino AcidsAmmonia-LyasesPrephenate DehydrataseBiopterinPterinsKineticsLeucineTryptophanMolecular Sequence DataAmino Acids, AromaticAmino Acid SequencePhenylalanine-tRNA LigasePhenylketonuria, MaternalFencloninep-FluorophenylalanineChorismate MutaseMutagenesis, Site-Directed