title: [Interaction of retina and protein in visual substance].
mesh_terms: D000447:Aldehydes; D000596:Amino Acids / Q000032:analysis; D001665:Binding Sites; D002942:Circular Dichroism; D009905:Optical Rotatory Dispersion; D012168:Retinal Pigments / Q000302:isolation & purification; D012545:Schiff Bases; D013053:Spectrophotometry; D014801:Vitamin A
chemical_list: D000447:Aldehydes; D000596:Amino Acids; D012168:Retinal Pigments; D012545:Schiff Bases; D014801:Vitamin A