Affiliation: | 1MRC National Institute for Medical Research, Mill Hill, London NW7 1AA, UK, 2Institut für Zelluläre Physiologie and Center for NanoScience (CeNS), Physiologisches Institut, Ludwig Maximilians Universität, Munich 80336, Germany and 3DNA-protein Interactions Unit, School of Biochemistry, Medical Sciences Building, University of Bristol, University Walk, Bristol BS8 1TD, UK |