Linkage of retinal to opsin.
D000818:Animals; D001001:Anura; D002725:Chloroform; D005612:Freeze Drying; D005990:Glycerol; D008074:Lipoproteins; D011485:Protein Binding; D012168:Retinal Pigments / Q000302:isolation & purification; D014316:Tritium; D014801:Vitamin A
D008074:Lipoproteins; D012168:Retinal Pigments; D014316:Tritium; D014801:Vitamin A; D002725:Chloroform; D005990:Glycerol