IUBMB Enzyme Nomenclature


Accepted name: 6-O-methylnorlaudanosoline 5'-O-methyltransferase

Reaction: S-adenosyl-L-methionine + 6-O-methylnorlaudanosoline = S-adenosyl-L-homocysteine + nororientaline

Systematic name: S-adenosyl-L-methionine:6-O-methylnorlaudanosoline 5'-O-methyltransferase

Comments: nororientaline is a precursor of the alkaloid papaverine.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 89511-99-9


1. Rueffer, M., Nagakura, N., Zenk, M.H. A highly specific O-methyltransferase for nororientaline synthesis isolated from Argemone platyceras cell cultures. Planta Med. 49 (1983) 196-198.

[EC created 1999]

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