PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8590019-6 1995 The conformationally constrained Apns-Thp linkage is favorably recognized in its low energy trans conformation, which results in a symmetric mode of binding to the active-site aspartic acids and also explains the unusual preference of HIV PR for the S, or syn, hydroxyl group of the Apns residue. 3-amino-2-hydroxy-4-phenylbutanoic acid 33-37 synemin Homo sapiens 256-259