Ключевые слова: 3d, apoprotein, biochemical, biochemistry, biological, biology, cofactor, complex, compound, diagram, dim, eye, gprotein coupled receptor, human, illustration, light, lowlight vision, macromolecule, medical, medicine, molecular model, molecule, opsin, organic, photoreceptor, pigment, poster, protein, protein moiety, proteomics, retina, retinal, rhodopsin, rod, science, scientific, sensation, sight, space filled, structural, structure, vision, visual purple,