1. Structural Bioenergetics Group, Institute of Biochemistry II, Medical School, Goethe-University, 60438 Frankfurt am Main, Germany.
2. Cluster of Excellence Frankfurt “Macromolecular Complexes,” Goethe-University, 60438 Frankfurt am Main, Germany.
3. Institute for Biochemistry and Molecular Biology, ZBMZ, BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany.
4. Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK.
5. Institute of Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance, 60438 Frankfurt am Main, Germany.
6. Nijmegen Center for Mitochondrial Disorders, Radboud University Medical Center, 6525 GA Nijmegen, Netherlands.