PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11824942-4 2001 Furthermore, (+/-)-nadolol, which belongs to the aryloxypropanolamine class and has beta1- and beta2-adrenoceptor antagonistic characteristics, displays agonistic activity at beta3-adrenoceptors. Nadolol 13-26 beta-2 adrenergic receptor Cavia porcellus 84-113