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Figure 16
Top, X-ray electron-density map at 0.83 Å resolution showing ambiguous hydrogen-bonding networks in water molecules associated with crambin. Bottom, nuclear density map at 1.1 Å showing the hydrogen-bonding network and clear density for water molecules. Reprinted with permission from Chen et al. (2012BB12), Proc. Natl Acad. Sci. USA, 109, 15301–15306. Copyright (2012) National Academy of Sciences.

IUCrJ
Volume 4| Part 1| January 2017| Pages 72-86
ISSN: 2052-2525
https://doi.org/10.1107/S205225251601664X