PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10821654-4 2000 The present studies describe the synthesis of an Abeta(1)(-)(40) analogue that contains a biotin at the amino terminus and a diethylenetriaminepentaacetic acid (DTPA) moiety conjugated to one of the internal lysine residues. Biotin 90-96 AA1 Homo sapiens 49-57