PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23261005-0 2013 Impact of beta(1)- and beta(2)-adrenergic receptor gene single nucleotide polymorphisms on heart rate response to metoprolol prior to coronary computed tomographic angiography. Metoprolol 114-124 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 23-30