Table 3.

Kinetic parameters for the monophenolase and diphenolase activity of Juglans regia tyrosinase jrPPO1(Asp¹⁰¹ → Arg⁴⁴⁵).

Substrate	λ [nm]	ε [M−1 cm−1]	Km [mM]	Vm [mM min−1]	Vm/Km [min−1]	kcat [s−1]	kcat/Km [mM−1 s−1]
l-tyrosine	475	3600⁎	1.9	0.08	0.04	20.8	10.9
l-dopa	475	3600⁎	8.8	0.06	0.01	199.3	22.8

^⁎Values taken from Gandía-Herrero et al. (2005).