1. Department of Chemistry and Materials Research Institute Queen Mary University of London London E1 4NS UK
2. Molecular Biosciences Division School of Biosciences Sir Martin Evans Building Cardiff University Cardiff CF10 3AX UK
3. Department of Chemistry Lomonosov Moscow State University Moscow 119991 Russian Federation
4. Emanuel Institute of Biochemical Physics Russian Academy of Sciences Moscow 119991 Russian Federation
5. Department of Chemistry and Chemical Engineering Chalmers University of Technology 41296 Gothenburg Sweden