1 Center for Applied Structural Discovery, Biodesign Institute, Arizona State University, Tempe, AZ, USA.
2 Department of Physics, Arizona State University, Tempe, AZ, USA.
3 Molecular Biology Institute of Barcelona, CSIC, Barcelona, Spain.
4 ALBA Synchrotron, Cerdanyola del Vallès, Barcelona, Spain.
5 Department of Crystallography and Structural Biology, Institute of Physical Chemistry Rocasolano, Spanish National Research Council (CSIC), Madrid, Spain.