It is likely to be significant that the C-terminal portion of Aβ is exposed on the surface of Aβ42 fibrils but sequestered in the core of Aβ40 fibrils ( Colvin et al., 2016 ; Tycko, 2016 ; Wälti et al., 2016 ).
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It is likely to be significant that the C-terminal portion of Aβ is exposed on the surface of Aβ42 fibrils but sequestered in the core of Aβ40 fibrils ( Colvin et al., 2016 ; Tycko, 2016 ; Wälti et al., 2016 ).