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Figure 2.
Figure 2. The 2F[obs] -F[calc] electron density maps at the
retinal Schiff base for (a) an illuminated crystal and (b) a
non-illuminated crystal. In both cases, refinement assumed two
conformations, at occupancies of 40% (unconverted BR state,
green) and 60% (M[1] state, grey), respectively, as discussed in
the text. Some atom notations in the retinal are given in (b).
The Figure was prepared with graphics program Setor.[60]
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