2.1.1.118 S-adenosyl-L-methionine + columbamine - Berberis wilsoniae S-adenosyl-L-homocysteine + palmatine - ? 289642 2.1.1.118 S-adenosyl-L-methionine + columbamine - Coptis japonica S-adenosyl-L-homocysteine + palmatine - ? 289642 2.1.1.118 S-adenosyl-L-methionine + columbamine - Berberis aggregata S-adenosyl-L-homocysteine + palmatine - ? 289642