. . "14735077-n"^^ . . . . . "retinal protein formed by the action of light on rhodopsin"@en-us . . "opsin"@en-us . . "retinal protein formed by the action of light on rhodopsin"@en-us . "114735077"^^ . "110768103"@en-us . . "113893329"@en-us . "0"^^ . "opsin"^^ . . . . "0"^^ . .