coclaurine + S-adenosyl-L-homocysteine + H(+) => norcoclaurine + S-adenosyl-L-methionine
coclaurine + s-adenosyl-l-homocysteine + h(+) => norcoclaurine + s-adenosyl-l-methionine
coclaurine + S-adenosyl-L-homocysteine + H(+) => norcoclaurine + S-adenosyl-L-methionine
coclaurine + s-adenosyl-l-homocysteine + h(+) => norcoclaurine + s-adenosyl-l-methionine