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. Author manuscript; available in PMC: 2010 Aug 10.
Published in final edited form as: Nat Chem. 2009 Jul 1;1(4):326–331. doi: 10.1038/nchem.247

Figure 4. The normalized cross-sections for the tetramers.

Figure 4

a, Relative sizes of all tetramers reported herein (shown to right of vertical scale). The vertical scale is the relative cross-section of the model tetramers normalized to the linear structure. The broad arrows on the vertical axis show the spread of values for the modelled structures. Aβ42 is a much more open tetramer than the other alloforms. b, The structures of the Aβ42 and Aβ40 tetramers taken from their location on the relative cross-section scale given in a, assuming the angle between dimer components is the determining parameter.