Rethinking Opsins.
Roberto FeudaAnant K MenonMartin C GöpfertPublished in: Molecular biology and evolution (2022)
Opsins, the protein moieties of animal visual photo-pigments, have emerged as moonlighting proteins with diverse, light-dependent and -independent physiological functions. This raises the need to revise some basic assumptions concerning opsin expression, structure, classification, and evolution.