EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.1.1.89 | S-adenosyl-L-methionine + (R,S)-5,8,13,13a-tetrahydrocolumbamine |
- |
Coptis japonica |
S-adenosyl-L-homocysteine + (R,S)-tetrahydropalmatine |
- |
ir |
2.1.1.89 | S-adenosyl-L-methionine + tetrahydrocolumbamine |
no activity with tetrahydrojatrorhizine, tetrahydropalmatrubine, columbamine, jatrorrhizine and palmatrubine |
Berberis aggregata |
S-adenosyl-L-homocysteine + tetrahydropalmatine |
- |
? |
2.1.1.89 | S-adenosyl-L-methionine + tetrahydrocolumbamine |
enzyme is involved in the biosynthesis of berberine alkaloids |
Berberis aggregata |
S-adenosyl-L-homocysteine + tetrahydropalmatine |
- |
? |