_EC 2.1.1.83 3,7-dimethylquercetin 4'-O-methyltransferase. 0 PDB entries  
EC 2.-.-.- Transferases. [17,769 PDB entries]
EC 2.1.-.- Transferring one-carbon groups. [1,710 PDB entries]
EC 2.1.1.- Methyltransferases. [1,362 PDB entries]
EC 2.1.1.83 3,7-dimethylquercetin 4'-O-methyltransferase. [-]    

Pathway: Methylated Quercetin Derivatives Biosynthesis
Reaction: S-adenosyl-L-methionine + 3',4',5-trihydroxy-3,7-dimethoxyflavone = S-adenosyl-L-homocysteine + 3',5-dihydroxy-3,4',7-trimethoxyflavone.
 


S-adenosyl-L-methionine
+
3',4',5-trihydroxy-3,7-dimethoxyflavone
=
S-adenosyl-L-homocysteine
+
3',5-dihydroxy-3,4',7-trimethoxyflavone
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Other name(s): 3,7-dimethylquercitin 4'-O-methyltransferase. 4'-OMT. Flavonol 4'-methyltransferase. Flavonol 4'-O-methyltransferase.
Comments: 3,7-dimethylquercetagetin can also act as acceptor. Involved with Ec 2.1.1.76 and Ec 2.1.1.82 in the methylation of quercetin to 3,7,4'-trimethylquercetin in Chrysosplenium americanum. Does not act on flavones, dihydroflavonols, or their glucosides.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are no PDB entries in enzyme class E.C.2.1.1.83