An O-methylated flavonoid (OMT) is a type of methyltransferase enzyme transferring a methyl group on a molecule.
Examples are :
Acetylserotonin O-methyltransferase
Apigenin 4'-O-methyltransferase
Caffeate O-methyltransferase
Caffeoyl-CoA O-methyltransferase
Catechol O-methyltransferase
Chlorophenol O-methyltransferase
Columbamine O-methyltransferase
Demethylmacrocin O-methyltransferase
3'-demethylstaurosporine O-methyltransferase
Demethylsterigmatocystin 6-O-methyltransferase
3-demethylubiquinone-9 3-O-methyltransferase
3,7-dimethylquercetin 4'-O-methyltransferase
Fatty-acid O-methyltransferase
Glucuronoxylan 4-O-methyltransferase
10-hydroxydihydrosanguinarine 10-O-methyltransferase
12-hydroxydihydrochelirubine 12-O-methyltransferase
6-hydroxymellein O-methyltransferase
3'-hydroxy-N-methyl-(S)-coclaurine 4'-O-methyltransferase
8-hydroxyquercetin 8-O-methyltransferase
Iodophenol O-methyltransferase
Isobutyraldoxime O-methyltransferase
(iso)eugenol O-methyltransferase
Isoflavone 4'-O-methyltransferase
Isoflavone 7-O-methyltransferase
Isoliquiritigenin 2'-O-methyltransferase
Isoorientin 3'-O-methyltransferase
Jasmonate O-methyltransferase
Protein-L-isoaspartate(D-aspartate) O-methyltransferase
Kaempferol 4'-O-methyltransferase
Licodione 2'-O-methyltransferase
Loganate O-methyltransferase
Luteolin O-methyltransferase
Macrocin O-methyltransferase
Methylquercetagetin 6-O-methyltransferase
3-methylquercetin 7-O-methyltransferase
mRNA (nucleoside-2'-O-)-methyltransferase
Myricetin O-methyltransferase
N-benzoyl-4-hydroxyanthranilate 4-O-methyltransferase
O-demethylpuromycin O-methyltransferase
6-O-methylnorlaudanosoline 5'-O-methyltransferase
Phenol O-methyltransferase
Polysaccharide O-methyltransferase
Protein-glutamate O-methyltransferase
Protein-S-isoprenylcysteine O-methyltransferase
Quercetin 3-O-methyltransferase
rRNA (adenosine-2'-O-)-methyltransferase
(RS)-norcoclaurine 6-O-methyltransferase
(S)-scoulerine 9-O-methyltransferase
Sterigmatocystin 8-O-methyltransferase
Tabersonine 16-O-methyltransferase
Tetrahydrocolumbamine 2-O-methyltransferase
Tocopherol O-methyltransferase
tRNA guanosine-2'-O-methyltransferase
Vitexin 2"-O-rhamnoside 7-O-methyltransferase
Xanthotoxol O-methyltransferase
