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. Author manuscript; available in PMC: 2012 Oct 17.
Published in final edited form as: J Am Chem Soc. 2008 Apr 16;130(19):6145–6158. doi: 10.1021/ja710366c

Figure 4.

Figure 4

Fingerprint region of ROESY spectrum in H2O of Aβ21–30. (upper panel) The crosspeak interpreted by Lazo et al. and Grant et al. as Hα Glu22 with HN Ala30 in their 500 MHz experiments is clearly resolved as only Hα Lys28 to HN Ala30 in our 900 MHz experiment. (lower panel) HB3 Lys28 has a nearly overlapping chemical shift with HB2 Glu22, potentially leading to crosspeak misassignment in previous studies at lower field.22