PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15478202-1 2004 Different types of triterpenes including saponins and aglycons were evaluated for their ability to inhibit [3H] BQ-123 and [3H] angiotensin II binding to the human endothelin 1 ETA and angiotensin II AT1 receptors, respectively. Saponins 41-49 angiotensinogen Homo sapiens 128-142