PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9232632-3 1997 The amount of cross beta-pleated sheet structure of A beta 1-40 fibrils was found to decrease by metal cations in a concentration-dependent manner as measured by ThT fluorescence spectroscopy. thioflavin T 162-165 AA1 Homo sapiens 52-60