L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis

L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis, <0.005 unit/mg solid (without pyridoxal 5-phosphate), ≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate)