1. Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032
2. Diamond Light Source, Harwell Science & Innovation Campus, Didcot OX11 0DE, UK
3. CCP4, STFC Rutherford Appleton Laboratory, Didcot OX11 0QX, UK
4. Department of Physiology and Cellular Biophysics, Columbia University, New York, NY 10032
5. Department of Anesthesiology, Columbia University, New York, NY 10032