PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15174896-6 2004 Although these polymorphisms have major effects on the pharmacokinetic profiles of both commonly used antihypertensive drugs such as metoprolol (CYP2D6), and lesser used drugs such as hydralazine (NAT2), methyldopa (COMT), and minoxidil (SULT1A1), they have not been shown to influence variation in the antihypertensive effect of these drugs at conventional doses. Metoprolol 133-143 catechol-O-methyltransferase Homo sapiens 216-220