* Corresponding authors

^a School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria 3010, Australia
E-mail: sjwill@unimelb.edu.au

^b York Structural Biology Laboratory, Department of Chemistry, University of York, York YO10 5DD, UK
E-mail: gideon.davies@york.ac.uk

^c Chemistry Department, Faculty of Science (Female Section), Jazan University, Jazan 82621, Saudi Arabia

^d ACRF Chemical Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3010, Australia

^e Department of Medical Biology, University of Melbourne, Parkville, Victoria 3010, Australia