SEARCH Articles Figures Tables 4-O-Methyltransferase 4-O-Methyltransferase Caffeic acid O-methyltransferase Caffeoyl-CoA O-methyltransferase Catechol O-methyltransferase COMT) Catechol O-methyltransferases Catechol-O-methyltransferase Catechol-O-methyltransferase inhibitors Catechol-O-methyltransferase, inhibition Catechol-o-methyltransferase (COMT inhibitor Catecholamine O-methyltransferase Chalcone O-methyltransferase Hydroxyindole- O-methyltransferase Inhibition of catechol O-methyltransferase Isoflavone O-methyltransferase Methyltransferase Methyltransferases Norcoclaurine 6-O-methyltransferase O(’-Methylguanine-DNA-methyltransferase O-methyltransferase Inhibitors S-Adenosylmethionine O-methyltransferase