L-dopa + S-adenosyl-L-methionine <=> 3-O-methyl-L-dopa + S-adenosyl-L-homocysteine + H(+)
l-dopa + s-adenosyl-l-methionine <=> 3-o-methyl-l-dopa + s-adenosyl-l-homocysteine + h(+)
L-dopa + S-adenosyl-L-methionine <=> 3-O-methyl-L-dopa + S-adenosyl-L-homocysteine + H(+)
l-dopa + s-adenosyl-l-methionine <=> 3-o-methyl-l-dopa + s-adenosyl-l-homocysteine + h(+)