title: Photoreversibly photochromic pigments in organisms: properties and role in biological light perception.
mesh_terms: D000818:Animals; D000458:Cyanobacteria / Q000032:analysis / Q000378:metabolism; D005420:Flavoproteins / Q000378:metabolism; D005658:Fungi / Q000378:metabolism / Q000528:radiation effects; D008027:Light; D008667:Metalloproteins / Q000378:metabolism; D010860:Pigments, Biological / Q000096:biosynthesis / Q000502:physiology*; D000461:Rhodophyta / Q000032:analysis / Q000378:metabolism; D012243:Rhodopsin / Q000502:physiology; D014466:Ultraviolet Rays
chemical_list: D005420:Flavoproteins; D008667:Metalloproteins; D010860:Pigments, Biological; D012243:Rhodopsin