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Figure 1
(a) Electron diffraction pattern of lysozyme (electron energy 300 keV). (b) Diffraction pattern after removing the central beam and subtracting the radial background. (c) Autocorrelation pattern of (b). The diffractogram in (a) shows a regular point-symmetrical pattern. The flatness of the Ewald sphere (the wavelength of 300 keV electrons is approximately 0.019 Å) causes this regularity.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 65| Part 7| June 2009| Pages 625-632
doi:10.1107/S0907444909003163
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