PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35466397-3 2022 Here, we tested recombinantly expressed Abeta42 (Asp1 to Ala42) against synthetic Abeta42 from different suppliers using matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS), circular dichroism (CD) spectroscopy, thioflavin T aggregation, surface plasmon resonance and MTT cell viability assays. thioflavin T 233-245 beta-secretase 2 Homo sapiens 49-53