1 Department of Molecular and Cellular Oncology, University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA.
2 Ecole Normale Supérieure, IBENS, CNRS, INSERM, PSL Research University, Paris 75005, France.
3 Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA 94720, USA.
4 Department of Biochemistry and Molecular Biology, Robson DNA Science Centre, Charbonneau Cancer Institute, University of Calgary, Alberta, T2N 4N1, Canada.
5 Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA, UK.
6 Biological Systems and Bioengineering, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
7 CryoEM Core at Baylor College of Medicine, Houston, Texas 77030, USA.
8 Division of Molecular Radiation Biology, Department of Radiation Oncology, UT Southwestern Medical Center, Dallas, TX 75390, USA.
9 Programme "Equipe Labellisée'', Ligue Nationale Contre le Cancer, Paris 75005, France.
10 Department of Cancer Biology, University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA.