Affiliation: | 1 Division of Cell and Molecular Biology, Sir Alexander Fleming Building, Imperial College London, Exhibition Road, London SW7 2AZ, UK;2 Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford OX1 3TA, UK;3 Institut Jacques Monod, CNRS UMR 7592, Université Paris Diderot, Batiment Buffon, 15 rue Helene Brion, 75205 Paris Cedex 13, France |