PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33808384-2 2021 Molecular docking studies showed that friedelin, alpha-amyrin, and epifriedelanol had the strongest binding affinity towards CB1. beta-amyrin 49-61 cannabinoid receptor 1 Homo sapiens 125-128 33808384-3 2021 Molecular dynamics simulation studies revealed that friedelin and alpha-amyrin engaged in stable non-bonding interactions by binding to a pocket close to the active site on the surface of the CB1 target protein. beta-amyrin 66-78 cannabinoid receptor 1 Homo sapiens 192-195