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. 2019 Feb 15;294(15):6082–6093. doi: 10.1074/jbc.RA119.007587

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© 2019 Katayama et al.

Published under exclusive license by The American Society for Biochemistry and Molecular Biology, Inc.

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Figure 1. — Binding of 11-cis-retinal chromophore and its locked 11-cis-6mr-retinal analog to human blue, green, and red cone opsins and bovine rod opsin. a, UV-visible absorption spectra of reconstituted blue cone opsin, Rh, and green and red cone opsins with the native chromophore 11-cis-retinal (blue, black, green, and red dashed lines, respectively) and UV-visible absorption spectra of blue cone opsin, Rh, and green and red cone opsins bound with 11-cis-6mr-retinal analog (blue, black, green, and red solid lines, respectively). b, partial amino acid sequence alignment of human blue, green, and red cone opsins and bovine Rh (black). Conserved residues in the chromophore-binding pocket are shown. The amino acid numbers are based on bovine Rh sequence.