| EC |
2.1.1.118 |
| Accepted name: |
columbamine O-methyltransferase |
| Reaction: |
S-adenosyl-L-methionine + columbamine = S-adenosyl-L-homocysteine + palmatine |
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For diagram of columbamine, palmatine and corydaline biosynthesis, click here |
| Systematic name: |
S-adenosyl-L-methionine:columbamine O-methyltransferase |
| Comments: |
The product of this reaction is a protoberberine alkaloid that is widely distributed in the plant kingdom. This enzyme is distinct in specificity from EC 2.1.1.88, 8-hydroxyquercetin 8-O-methyltransferase. |
| Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 105843-76-3 |
| References: |
| 1. |
Rueffer, M., Amann, M., Zenk, M.H. S-Adenosyl-L-methionine:columbamine O-methyltransferase, a compartmentalized enzyme in protoberberine biosynthesis. Plant Cell Reports 3 (1986) 182–185. [DOI] |
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| [EC 2.1.1.118 created 1999] |
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