PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28994295-4 2017 This dipeptide forms the central motif of the Abeta peptides, which are associated with Alzheimer"s disease through their presence in amyloid plaques in the nervous systems of affected individuals. Dipeptides 5-14 amyloid beta precursor protein Homo sapiens 46-51