A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.

Synonyms: Tyrosine, 42HK56048U, para Tyrosine, L-Tyrosine, para-Tyrosine, L Tyrosine, Tyrosine, L-isomer, Tyrosine, L isomer