Abstract
RHODOPSIN is a carotenoid-protein, in which the 11-cis retinal chromophore, is coupled to the colourless protein, opsin. The linkage between them is a protonated Schiff base between the aldehyde group of 11-cis retinal and an ε-amino group of L-lysine in opsin1–4.
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MATSUMOTO, H., YOSHIZAWA, T. Existence of a β-ionone ring-binding site in the rhodopsin molecule. Nature 258, 523–526 (1975). https://doi.org/10.1038/258523a0
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DOI: https://doi.org/10.1038/258523a0
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