1. Department of Chemical and Biological Physics, The Weizmann Institute of Science, P.O. Box 26, Rehovot, 7610001, Israel
2. Department of Chemical Research Support, The Weizmann Institute of Science, P.O. Box 26, Rehovot, 7610001, Israel
3. Max Planck Institute for Chemical Energy Conversion, 34-36 Stiftstraße, Mülheim an der Ruhr, 45470, Germany
4. Department of Structural Biology, University of Pittsburgh, 4200 Fifth Avenue, Pittsburgh, Pennsylvania 15260, United States