| Entry |
|
|---|
| Name |
8-hydroxyquercetin 8-O-methyltransferase;
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] |
|---|
| Class |
Transferases;
Transferring one-carbon groups;
Methyltransferases
 |
|---|
| Sysname |
S-adenosyl-L-methionine:3,5,7,8,3',4'-hexahydroxyflavone
8-O-methyltransferase |
|---|
| Reaction(IUBMB) |
S-adenosyl-L-methionine + 3,5,7,8,3',4'-hexahydroxyflavone =
S-adenosyl-L-homocysteine +
3,5,7,3',4'-pentahydroxy-8-methoxyflavone [RN:R04398] |
|---|
| Reaction(KEGG) |
R04398
 |
|---|
| Substrate |
S-adenosyl-L-methionine [CPD:C00019];
3,5,7,8,3',4'-hexahydroxyflavone |
|---|
| Product |
S-adenosyl-L-homocysteine [CPD:C00021];
3,5,7,3',4'-pentahydroxy-8-methoxyflavone |
|---|
| Comment |
Also acts on 8-hydroxykaempferol, but not on the glycosides of
8-hydroxyflavonols. An enzyme from the flower buds of Lotus
corniculatus. |
|---|
Reference
Authors
Title
Journal
Organism
|
1 [PMID:4076180]
Jay M, De Luca V, Ibrahim RK.
Purification, properties and kinetic mechanism of flavonol
8-O-methyltransferase from Lotus corniculatus L.
Eur. J. Biochem. 153 (1985) 321-5.
Lotus corniculatus [GN:elco] |
|---|
| Other DBs |
ExplorEnz - The Enzyme Database: 2.1.1.88
IUBMB Enzyme Nomenclature: 2.1.1.88
ExPASy - ENZYME nomenclature database: 2.1.1.88
BRENDA, the Enzyme Database: 2.1.1.88
CAS: 99775-17-4 |
|---|
|
