PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17985862-5 2007 By leveraging the knowledge of the ligand-BACE-1 recognition features generated from the isocytosines, the dihydroisocytosines were efficiently optimized to submicromolar potency. isocytosine 89-101 beta-secretase 1 Homo sapiens 42-48 23562056-0 2013 Conformational restriction approach to BACE1 inhibitors II: SAR study of the isocytosine derivatives fixed with a cis-cyclopropane ring. isocytosine 77-88 beta-secretase 1 Homo sapiens 39-44