Table 3.

Results of enzymatic reactions.

Substrate category	Substrate names	EpPT8	EpPT8△TP32	EpPT8△TP82
Flavonol	Kaempferol	+	+	+
	Quercetin	+	+	+
	Kaempferide	ND	ND	ND
	Tamarixetin	ND	ND	ND
	Myricetin	ND	ND	ND
	Mearnsetin	ND	ND	ND
Flavone	Apigenin	+	+	+
	Luteolin	ND	ND	ND
	Tricin	ND	ND	ND
	Tricetin	ND	ND	ND
Dihydroflavonol	Dihydrokaempferol	ND	ND	ND
	Dihydroquercetin	ND	ND	ND
	Hydromyricetin	ND	ND	ND
Dihydroflavone	Liquiritigenin	ND	ND	ND
	Naringenin	ND	ND	ND
	Eriodictyol	ND	ND	ND
Chalcone	Naringenin chalcone	ND	ND	ND

ND means "Not detectable".