columbamine + S-adenosyl-L-methionine = palmatine + S-adenosyl-L-homocysteine + H(+)
columbamine + s-adenosyl-l-methionine = palmatine + s-adenosyl-l-homocysteine + h(+)
columbamine + S-adenosyl-L-methionine = palmatine + S-adenosyl-L-homocysteine + H(+)
columbamine + s-adenosyl-l-methionine = palmatine + s-adenosyl-l-homocysteine + h(+)