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Figure 4
Vertical scan across a representative SAXS pattern from the centre outwards with the interference function clearly visible at around R = 0.018 nm-1, and the fibril transform at around R = 0.045 nm−1. The reciprocal spacing, R, is equivalent to Q/2π, where Q = (4π/λ)sinθ. The wavelength of the X-ray beam, λ, is 0.83 Å and θ is measured as half the scattering angle between the incident and diffracted beam.

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