Tropinone Reductases, Enzymes at the Branch Point of Tropane Alkaloid Metabolism

S-adenosyl-l-methionine: (S) -7,8,13, 14

S-adenosyl-l-methionine: (S) -7,8,13, 14-tetrahydroberberine-cis-n-methyltransferase, a branch point enzyme in the biosynthesis of benzophenanthridine and protopine alkaloids.

✍ M Rueffer; M.H Zenk 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 117 KB

The enzyme which transfers the CH3-group of S-adenosylmethionine to the nitrogen atom of (S)-tetrahydroberberine and (S)-stylopine is found to occur in a number of plant cell cultures originating from species containing alkaloids; it is located at an