(S)-reticuline + S-adenosyl-L-methionine => (S)-tembetarine + S-adenosyl-L-homocysteine + H(+)
(s)-reticuline + s-adenosyl-l-methionine => (s)-tembetarine + s-adenosyl-l-homocysteine + h(+)
(S)-reticuline + S-adenosyl-L-methionine => (S)-tembetarine + S-adenosyl-L-homocysteine + H(+)
(s)-reticuline + s-adenosyl-l-methionine => (s)-tembetarine + s-adenosyl-l-homocysteine + h(+)