PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16567806-2 2006 In this study, AspIII:08 (Asp113), the anchor point for monoamine binding in TM-III, was used as the starting point to engineer activating metal ion sites between the extracellular segments of the beta2-adrenergic receptor. monoamine 56-65 adrenoceptor beta 2 Homo sapiens 197-222