1. School of Chemistry The University of Sydney Sydney NSW 2006 Australia
2. Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science The University of Sydney Sydney NSW 2006 Australia
3. Department of Chemistry Colorado State University Fort Collins CO 80523 USA
4. Research School of Chemistry Australian National University Canberra ACT 2601 Australia
5. Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science Australian National University Canberra ACT 2601 Australia
6. School of Medical Sciences Faculty of Medicine and Health The University of Sydney Sydney NSW 2006 Australia