title: A new intermediate between lumirhodopsin and metarhodopsin in squid.
mesh_terms: D000818:Animals; D002942:Circular Dichroism; D049832:Decapodiformes / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D012168:Retinal Pigments; D012243:Rhodopsin / Q000031:analogs & derivatives; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature; D014461:Ultracentrifugation
chemical_list: D012168:Retinal Pigments; D012243:Rhodopsin