Tyrosine Phenol-Lyase

**Definition:** An enzyme that catalyzes the cleavage of tyrosine to phenol, pyruvate, and ammonia. It is a pyridoxal phosphate protein. The enzyme also forms pyruvate from D-tyrosine, L-cysteine, S-methyl-L-cysteine, L-serine, and D-serine, although at a slower rate. EC 4.1.99.2.

**Tree numbers:** - D08.811.520.224.900

**Synonyms:** - beta-Tyrosinase