PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21817793-5 2011 Compound (I) forms hydrogen-bonded parallel beta-sheet-like tapes, with the carbonyl groups of Aib1 and Aib2 acting as hydrogen-bond acceptors. Hydrogen 119-127 ANIB2 Homo sapiens 104-108