Dr. M. G. Cuypers, Dr. S. A. Mason, Dr. M. P. Blakeley, Prof. E. P. Mitchell, Dr. M. Haertlein and Prof. V. Trevor Forsyth Near-Atomic Resolution Neutron Crystallography on Perdeuterated Pyrococcus furiosus Rubredoxin: Implication of Hydronium Ions and Protonation State Equilibria in Redox Changes Angewandte Chemie International Edition 52
Neutron crystallographic analyses at near-atomic resolution are presented for both reduced and oxidized forms of perdeuterated Pyrococcus furiosus rubredoxin, a small iron–sulfur redox protein with remarkable thermostability. Hydronium ions may play a key role in the protonation and charge-transfer processes associated with the oxidized and reduced forms of the protein. Picture: overall structure showing D3O+ ions (red and gray molecules).
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