A structural biology study utilizing cryo-electron microscopy has resolved the first 3D structure of human blue and green cone opsins in their dark state, revealing that an open binding pocket in green opsins allows rapid retinal displacement for fast-updating daylight vision, while blue opsins require high-energy light due to a confined pocket.
A structural biology study utilizing cryo-electron microscopy has resolved the first 3D structure of human blue and green cone opsins in their dark state, revealing that an open binding pocket in green opsins allows rapid retinal displacement for fast-updating daylight vision, while blue opsins require high-energy light due to a confined pocket.
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