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Figure 5
Overview of structural changes in the photocycle of BR visualized by TR-SFX and TR-SSX over 13 orders of magnitude. Fourier difference maps (yellow, negative; blue, positive) are contoured at the 3.9σ level in the top row and at the 3.0σ level in the middle and bottom rows, and are superimposed on the corresponding ground-state structure. Data are reprised from a TR-SFX study performed at SACLA (lilac; Nango et al., 2016BB88), a TR-SFX study performed at the LCLS (cyan; Nogly et al., 2018BB95) and a TR-SSX study performed at the SLS (white; Weinert et al., 2019BB135). The parts of helices E, F and G depicted in red in the SLS structures are those that undergo large-scale displacement or disordering in the late phase of the photocycle.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
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