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8© 2017 Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.X-ray crystallography at X-ray free-electron laser sources is a powerful method for studying macromolecules at biologically relevant temperatures. Moreover, when combined with complementary techniques like X-ray emission spectroscopy, both global structures and chemical properties of metalloenzymes can be obtained concurrently, providing insights into the interplay between the protein structure and dy…Read more
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6© 2016 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.Light-induced oxidation of water by photosystem II in plants, algae and cyanobacteria has generated most of the dioxygen in the atmosphere. PS II, a membrane-bound multi-subunit pigment protein complex, couples the one-electron photochemistry at the reaction centre with the four-electron redox chemistry of water oxidation at the Mn 4 CaO 5 cluster in the oxygen-evolving complex. Under illumination, the OEC cycles t…Read more
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