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Figure 4
An example of an anion-binding site: Asn122 in protein subunit F. The anomalous difference Fourier map contoured at 4σ is shown in yellow and the composite OMIT electron-density map contoured at 1.6 r.m.s. is shown in turquoise; both neatly show the bromide anion. This figure was prepared using Coot (Emsley et al., 2010BB10).

IUCrJ
Volume 5| Part 4| July 2018| Pages 439-448
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518007637