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. 2018 Aug 6;13(8):e0201761. doi: 10.1371/journal.pone.0201761

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© 2018 Przygońska et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 1 — (A) Sequences of WT Aβ 1–40 and its two variants with scrambled N-terminal 1–16 amino acids (NSCR) and with all amino acids scrambled (SCR). Protonation sites on side-chain moieties are highlighted in red. (B) Sequence of WT Aβ 1–40 with number of exchangeable hydrogens and charges. (C) Exchangeable side-chain hydrogens present in neutral forms of residues of Aβ 1–40. Protonation sites on basic side-chain marked in blue, neutral side-chain in green. Proton accepting groups are highlighted in red. Slower exchangeable side-chain hydrogens marked in dotted green.