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| Tyrosine Phenol-Lyase beta-Tyrosinase | Phenol-Lyase, Tyrosine | Tyrosine Phenol Lyase | beta Tyrosinase 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. |