PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8157623-4 1994 An A beta peptide with M(r) of 3,000 was recovered that on automatic gas-phase Edman degradation yielded the amino acid sequence of A beta starting at residue 17 (Leu). Leucine 163-166 amyloid beta precursor protein Homo sapiens 3-9 8157623-4 1994 An A beta peptide with M(r) of 3,000 was recovered that on automatic gas-phase Edman degradation yielded the amino acid sequence of A beta starting at residue 17 (Leu). Leucine 163-166 amyloid beta precursor protein Homo sapiens 132-138