PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10347189-2 1999 Here we evaluated Phe310, Phe311, and Phe303 in transmembrane VI (TMVI), as well as Tyr348 in TMVII of the alpha1B-adrenergic receptor (alpha1B-AR), which have been implicated in a catechol-ring interaction. catechol 181-189 adrenoceptor alpha 1B Homo sapiens 107-134