(S)-coclaurine + S-adenosyl-L-methionine = (S)-N-methylcoclaurine + S-adenosyl-L-homocysteine + H(+)
(s)-coclaurine + s-adenosyl-l-methionine = (s)-n-methylcoclaurine + s-adenosyl-l-homocysteine + h(+)
"(S)-coclaurine-N-methyltransferase"
"(s)-coclaurine-n-methyltransferase"