Partial purification and properties of S-adenosyl-L-methionine: (S)-tetrahydroprotoberberine-cis-N-methyltransferase from suspension-cultured cells of Eschscholtzia and Corydalis

Reuffer, Martina, Zumstein, Gitta, Zenk, Meinhart

Phytochemistry, 29(12):3727-3733