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Figure 1
The potential maps from MicroED structures with different levels of completeness of data are presented. (a) The refined structure of tyrosine from a commercially purchased powder sample, using overall 96.5% complete data at 0.75 Å resolution. (b) The structure of the long-time used anti­histamine Meclizine using 80.7% of possible reflections at 0.96 Å. (c) The structure of valine using 49.4% complete data at 0.75 Å resolution. The missing data, predominantly in one direction (the `missing cone'), results in elongated map densities and less determined coordinates during refinement. (d) The output from SHELXT for the same data as in part (c), showing that the missing data causes SHELXT to accidentally include an extra atom in the first model despite the high nominal resolution of the data.

Journal logo STRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 81| Part 7| July 2025| Pages 376-390
https://doi.org/10.1107/S2053229625004875
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