A structural role for tryptophan in proteins, and the ubiquitous Trp Cδ1—H⋯O=C (backbone) hydrogen bond

Szczygiel, M.; Derewenda, U.; Scheiner, S.; Minor, W.; Derewenda, Z.S.

doi:10.1107/S2059798324005515

Acta Crystallographica Section D
Acta Crystallographica
Section D STRUCTURAL BIOLOGY

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Figure 3
Left: a histogram of the number of interactions of ^TrpC^δ1—H with backbone carbonyl O atoms as a function of the distance d_CO (green bars) and a mean value of the α_H angle in each group, corrected with cubic interpolation. Right: the same statistics for interactions with water molecules.

STRUCTURAL
BIOLOGY

ISSN: 2059-7983

Volume 80| Part 7| July 2024| Pages 551-562

https://doi.org/10.1107/S2059798324005515

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