1. Centre for Structural and Molecular Biochemistry, School of Chemistry; University of East Anglia; Norwich NR4 7TJ United Kingdom
2. The Henry Wellcome Building for Biomolecular NMR Spectroscopy, School of Cancer Sciences; University of Birmingham; Vincent Drive Birmingham B15 2TT United Kingdom
3. Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology; University of Leeds; Leeds LS2 9JT United Kingdom