11-demethylbrucine + S-adenosyl-L-methionine = brucine + S-adenosyl-L-homocysteine + H(+)
11-demethylbrucine + s-adenosyl-l-methionine = brucine + s-adenosyl-l-homocysteine + h(+)
11-demethylbrucine + S-adenosyl-L-methionine = brucine + S-adenosyl-L-homocysteine + H(+)
11-demethylbrucine + s-adenosyl-l-methionine = brucine + s-adenosyl-l-homocysteine + h(+)