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Figure 1
(a) Si-state cycle of the water-oxidation reaction of the OEC. (b) Electron-transfer chain of PSII. The flow of electrons is indicated by a red line, and the regions around the OEC, QB and the non-heme iron are boxed with black dashed lines. (c) Enlarged views of the boxed region around the OEC shown in (b). Water molecules in the O1 and O4 channels are shown as green and cyan spheres, respectively. The light-blue mesh shows the radius of atoms of the OEC and the water molecules in the O4 channel. The Cl1 and Cl2 channels have been omitted for clarity.

Volume 8| Part 3| May 2021| Pages 431-443
ISSN: 2052-2525