Molecular Characterization of the S-Adenosyl-l-methionine:3′-Hydroxy-N-methylcoclaurine 4′-O-Methyltransferase Involved in Isoquinoline Alkaloid Biosynthesis in Coptis japonicaTakashi Morishige, Fumihiko Sato, Yasuyuki Yamada et al.|Journal of Biological Chemistry|2000Cited by 207