PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16536517-1 2006 We have prepared two peptides based on the hydrophobic core (Lys-Leu-Val-Phe-Phe) of amyloid beta-protein (Abeta) that contain alpha,alpha-disubstituted amino acids at alternating positions, but differ in the positioning of the oligolysine chain (AMY-1, C-terminus; AMY-2, N-terminus). alpha,alpha-disubstituted amino acids 127-164 amyloid beta precursor protein Homo sapiens 107-112