Reversible spectral change of squid retinochrome by salts.
D000818:Animals; D002122:Calcium Chloride; D002712:Chlorides; D049832:Decapodiformes; D006863:Hydrogen-Ion Concentration; D008094:Lithium; D008968:Molecular Conformation; D011189:Potassium Chloride; D012168:Retinal Pigments; D012243:Rhodopsin; D012965:Sodium Chloride; D013057:Spectrum Analysis
D002712:Chlorides; D012168:Retinal Pigments; D012965:Sodium Chloride; D011189:Potassium Chloride; D012243:Rhodopsin; D008094:Lithium; D002122:Calcium Chloride