1. School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, 30 Flemington Road, Parkville, Victoria 3010, Australia
2. Ian Holmes Imaging Centre, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria 3010, Australia
3. Department of Biochemistry and Pharmacology and ARC Industrial Transformation Training Centre for Cryo-Electron Microscopy of Membrane Proteins, The University of Melbourne, 30 Flemington Road, Parkville, Victoria 3010, Australia
4. Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, Victoria 3052, Australia