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Figure 4
Assigned models of Cu2+-coordinated His residues refined by X-ray/neutron analysis (top) and neutron analysis (bottom). Fo − Fc polder omit SLD maps, calculated without contributions from His431, His433 and His592, are contoured with positive (cyan) and negative (red) contours of 4.0σ and −3.0σ, respectively. The orange sphere represents the Cu atom.

IUCrJ
Volume 9| Part 3| May 2022| Pages 342-348
ISSN: 2052-2525
https://doi.org/10.1107/S2052252522003657