FIGURE 6.
FTIR difference spectra in the 800–1800-cm−1 region of CaChR1 and mutants recorded at 270 K in H2O using methods identical to shown in Fig. 2. The y axis tick marks are ∼0.5, 0.3, 0.8, 0.7, and 0.5 mOD for the spectra from top to bottom.
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