title: Molecular biology of visual pigments.
mesh_terms: D000818:Animals; D003118:Color Perception / Q000502:physiology; D004734:Energy Metabolism; D005796:Genes; D014644:Genetic Variation; D010777:Photochemistry; D010786:Photoreceptor Cells / Q000648:ultrastructure; D011487:Protein Conformation; D012168:Retinal Pigments / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D013329:Structure-Activity Relationship
chemical_list: D012168:Retinal Pigments