PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19111934-1 2009 Catechol-O-methyltransferase (COMT, EC 2.1.1.6) is a monomeric enzyme that catalyzes the transfer of a methyl group from S-adenosyl-l-methionine (AdoMet) to the phenolic oxygen of substituted catechols. Catechols 192-201 methionine adenosyltransferase 1A Rattus norvegicus 121-144