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Figure 9
Overlay of (a) unfolded conformations of HES moieties found in HESNA·H2O (cyan), HESNAH·2EtOH (green for HES−, blue for HES), HESK·3H2O (orange), HESKHE·xMeOH (magenta for HES), HESKHE·xEtOH (purple for HES−, yellow for HES); and (b) folded conformations found in HESNAH (red) and HESKHE·2H2O (olive). HES− in HESKHE·xMeOH is not included due to phenolic ring disorder. Hydrogen atoms have been omitted for clarity.

IUCrJ
Volume 10| Part 3| May 2023| Pages 329-340
ISSN: 2052-2525
https://doi.org/10.1107/S205225252300266X