SEARCH Articles Figures Tables Alcohol , and phenylalanine Alkaloids Derived from Both Tyrosine and Phenylalanine Aromatic Amino Acids Phenylalanine, Tyrosine, Histidine, and Tryptophan Disorders of Phenylalanine and Tetrahydrobiopterin Metabolism From Chorismate to Phenylalanine and Tyrosine Histidine and Phenylalanine Ammonia-Lyases Pathways of Phenylalanine and Tyrosine Metabolism Utilized Principally by Microorganisms Phenylalanine and Tyrosine Phenylalanine and derivatives Phenylalanine hydroxylase and Phenylalanine synthesis and Phenylalanine, biosynthesis structure and properties