PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28423342-2 2017 Some of the most potent bnAbs target a quaternary epitope at the apex of the surface HIV envelope (Env) trimer. bnabs 24-29 apurinic/apyrimidinic endodeoxyribonuclease 1 Homo sapiens 65-69