title: Circular dichrosim of visual pigment analogues containing  3 -dehydroretinal and 5,6-epoxy-3-dehydroretinal as the chromophore.
mesh_terms: D000818:Animals; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D002942:Circular Dichroism; D004072:Digitonin; D004988:Ethers, Cyclic; D005136:Eye Proteins / Q000302:isolation & purification; D007536:Isomerism; D008433:Mathematics; D008968:Molecular Conformation; D010786:Photoreceptor Cells; D011830:Radiation Effects; D012168:Retinal Pigments / Q000528:radiation effects; D012995:Solubility; D014466:Ultraviolet Rays
chemical_list: D004988:Ethers, Cyclic; D005136:Eye Proteins; D012168:Retinal Pigments; D004072:Digitonin