Orange Caroteinoid Protein (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Orange Caroteinoid Protein

Caption

Translocation of the carotenoid pigment within a critical light-sensitive protein called the Orange Carotenoid Protein triggers a shifting of the protein from the light-absorbing orange state to the energy- quenching red state, providing cyanobacteria with protection from too much sunlight.

Credit

Image courtesy of Cheryl Kerfeld, Berkeley Lab

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