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Figure 4
The consequences of radiation damage (wild-type complex). (a) A σA-­weighted difference map shows negative density (red) at the disulfide bridge and positive density (green) consistent with an extra atom attached to Cβ of Cys7 in trypsin; (b) the interpretation as a partially occupied disulfide bridge and a partially occupied serine instead of Cys7. The contouring levels for the density maps were 1σ (σA map) and 3σ for the difference density map.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 61| Part 9| September 2005| Pages 1255-1262
https://doi.org/10.1107/S0907444905021207
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