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Figure 4
(a) Crystals of potassium penicillin G (scale bar: 2 µm). (b–e) Electron diffraction patterns and corresponding autocorrelation patterns of potassium penicillin G from two main crystallographic zones. Crosses indicate the centroids of peaks in the autocorrelation image; circles indicate the predicted peak positions. The root-mean-square deviation (r.m.s.d.) of the experimental and simulated patterns for the different zones (diffraction patterns) is between 0.6% and 1.7%.

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