EC number:2.1.1.83

Enzyme

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     2. Transferases
        2.1 Transferring one-carbon groups
            2.1.1 Methyltransferases
ID:2.1.1.83
Description:3,7-dimethylquercetin 4'-O-methyltransferase.
Alternative Name: Flavonol 4'-O-methyltransferase.
Flavonol 4'-methyltransferase.
4'-OMT.
3,7-dimethylquercitin 4'-O-methyltransferase.

3D structure

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PDB

References

External Links

UniProtKB Enzyme Link: UniProtKB 2.1.1.83
BRENDA Enzyme Link: BRENDA 2.1.1.83
KEGG Enzyme Link: KEGG2.1.1.83
BioCyc Enzyme Link: BioCyc 2.1.1.83
ExPASy Enzyme Link: ExPASy2.1.1.83
EC2PDB Enzyme Link: EC2PDB 2.1.1.83
ExplorEnz Enzyme Link: ExplorEnz 2.1.1.83
PRIAM enzyme-specific profiles Link: PRIAM 2.1.1.83
IntEnz Enzyme Link: IntEnz 2.1.1.83
MEDLINE Enzyme Link: MEDLINE 2.1.1.83

EC number:2.1.1.83

MSA:

2.1.1.83;
Phylogenetic Tree:

2.1.1.83;
Uniprot:
M-CSA:
RHEA:21832 3',4',5-trihydroxy-3,7-dimethoxyflavone + S-adenosyl-L-methionine = 3',5-dihydroxy-3,4',7-trimethoxyflavone + H(+) + S-adenosyl-L-homocysteine
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Enzymatic synthesis of polymethylated flavonols in Chrysosplenium americanum. II. Substrate interaction and product inhibition studies of flavonol 3-, 6-, and 4'-O-methyltransferases.De Luca V, Ibrahim RK1985 May 13994394
Enzymatic synthesis of polymethylated flavonols in Chrysosplenium americanum. I. Partial purification and some properties of S-adenosyl-L-methionine:flavonol 3-, 6-, 7-, and 4'-O-methyltransferases.De Luca V, Ibrahim RK1985 May 13994393