Table 1.

Enzymatic activity of VvROMT alanine variants ¹.

Enzyme	% Conversion from Resveratrol		% Conversion from Pinostilbene
	Pinostilbene	Pterostilbene	Pterostilbene
Wt	1.6 ± 0.1	30 ± 3.3	99.6 ± 0.1
W20A	1.5 ± 0.2	n.c. 2	20.1 ± 1.5
F24A	2 ± 0.2	n.c.	4.2 ± 1.8
F311A	3.2 ± 0.5	n.c.	25.1 ± 4.1
F318A	1.8 ± 0.1	6.5 ± 1.2	49.9 ± 12.2

¹ Reaction conditions: 65 µM of stilbene, 1.25 µM of the purified enzyme, and 400 µM of SAM. The reaction was incubated at 30 °C for 16 h in darkness, values represent averages of 4 replicates ± SD.² n.c.: not converted.