Color vision: Opsins and options
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چکیده
منابع مشابه
Commentary Color vision: Opsins and options
A recent estimate suggests that we can potentially distinguish 2.3 million colors (1), and yet we achieve this by comparing the rates at which photons are absorbed in just three classes of retinal photopigment (Fig. 1 Lower). The photopigments consist of 11-cis-retinal bound to different ‘‘opsins,’’ which are members of the large family of G-protein-coupled receptors or heptahelicals. But our e...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1999
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.96.9.4743