Radiation damage in sub-Ångström resolution macromolecular crystallography: a low-dose study

Bourenkov, G.; Paknia, E.; Flensburg, C.; Fogh, R.; Keller, P.; Vonrhein, C.; Bricogne, G.; Chari, A.

doi:10.1107/S205979832600269X

Acta Crystallographica Section D
Acta Crystallographica
Section D STRUCTURAL BIOLOGY

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Figure 3
Isomorphous $[F_{\rm o}^{50\,{\rm kGy}} - F_{\rm o}^{1\,{\rm MGy}}]$ difference density is shown contoured at ±3.5 r.m.s. (positive density green, negative density red), revealing an extended conformational change that is most likely a consequence of iron reduction. (a) The backbone model of rubredoxin is shown; the side chains of cysteine, aspartate and glutamate residues are depicted as sticks. (b) Close-up view of the FeS₄ site. (c) Close-up view of the vicinity of Trp37. (d) Close-up view of Tyr13.

STRUCTURAL
BIOLOGY

ISSN: 2059-7983

Volume 82| Part 5| May 2026| Pages 484-491

https://doi.org/10.1107/S205979832600269X

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