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Watching how plants make oxygen

Image   •   Nov 21, 2016 16:00 GMT

Structure of the oxygen evolving complex in photosystem II in a light-activated state. Water molecules are shown as blue spheres, the four manganese ions in purple, the calcium ion in green and the bridging oxygen ions in red. The blue mesh is the experimental electron density, and the blue sticks are the protein side chains holding the catalytic complex.
License Creative Commons Attribution, no derivatives (?)
Photographer / Source Johannes Messinger
Size 675 KB
Format .png
Image dimensions 938 x 534 pixels