| EC |
2.1.1.88 |
| Accepted name: |
8-hydroxyquercetin 8-O-methyltransferase |
| Reaction: |
S-adenosyl-L-methionine + 3,5,7,8,3′,4′-hexahydroxyflavone = S-adenosyl-L-homocysteine + 3,5,7,3′,4′-pentahydroxy-8-methoxyflavone |
| Other name(s): |
flavonol 8-O-methyltransferase; flavonol 8-methyltransferase; S-adenosyl-L-methionine:3,3′,4′,5,7,8-hexahydroxyflavone 8-O-methyltransferase; 8-hydroxyquercitin 8-O-methyltransferase [mis-spelt] |
| Systematic name: |
S-adenosyl-L-methionine:3,5,7,8,3′,4′-hexahydroxyflavone 8-O-methyltransferase |
| Comments: |
Also acts on 8-hydroxykaempferol, but not on the glycosides of 8-hydroxyflavonols. An enzyme from the flower buds of Lotus corniculatus. |
| Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 99775-17-4 |
| References: |
| 1. |
Jay, M., De Luca, V. and Ibrahim, R.K. Purification, properties and kinetic mechanism of flavonol 8-O-methyltransferase from Lotus corniculatus L. Eur. J. Biochem. 153 (1985) 321–325. [DOI] [PMID: 4076180] |
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| [EC 2.1.1.88 created 1989] |
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