Figure 1.
(Top) Sequences and the chemical modifications of the wt-, isoD7-, pS8-, and nY10-Aβ40 peptides. (Bottom Left) Sketches of reported Aβ40 fibril backbone structures with N-termini. The side chain orientations of D7 and S8/Y10 are highlighted in red and green respectively. The dashed rectangles show the inter- or intra-molecular packing that stabilize the fibril structures. (Bottom Right) Native-PAGE for the wt- and PTM-Aβ40 variants peptides.