Enzymatic activity of PO against L-DOPA was optimal at pH 7.0 and temperature of 40 oC, respectively.

• 以L-二羟苯丙氨酸(L-DOPA)为特异性底物对PO活性进行研究发现；其最适pH值为7.；0左右；最适温度为40℃左右;