Fig. 5
From: N-terminally truncated Aβ4-x proteoforms and their relevance for Alzheimer’s pathophysiology
Full-length and truncated Aβ peptides employed in the evaluation of brain efflux. a Amino acid sequences in one letter code. Red font highlights the Tyr residue targeted by the radioiodination protocol. b MALDI-ToF MS profiles evaluated in a Bruker Daltonics Autoflex MALDI-TOF mass spectrometer illustrate the purity of the synthetic homologues. c Theoretical molecular masses of the different full-length and truncated Aβ peptides and the experimental masses determined by MS