Enzymatic activity of PO against L-DOPA was optimal at pH 6.0 and temperature of 40 , with an apparent Km value of 1.99 mmol/L.

• 以L-二羟苯丙氨酸(L-DOPA)为特异性底物对酚氧化酶活性进行研究发现，其最适pH值为6.；0左右，最适温度为40℃，K_m值约为1