Oxidation of protein tyrosine or methionine residues: From the amino acid to the peptide Catalytic mechanism of the tyrosinase reaction toward the Tyr98 residue in the caddie protein PLOS Biology A step toward understanding the oxygen activation by copper containing enzymes L Tyrosine vs. Dextroamphetamine In a sleep deprivation study, L Tyrosine actually outperformed one of Adderall's active stimulants (dextroamphetamine) in key cognitive tests, like mathematical processing and logical reasoning, even after 30 hours with Oxidation of tyrosine: Antioxidant mechanism of l DOPA disclosed ScienceDirect