1. Protein Phosphorylation Laboratory, Cancer Research UK, 44 Lincoln’s Inn Fields, London WC2A 3LY, UK.
2. Sarcoma Unit, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK.
3. Structural Biology Laboratory, Cancer Research UK, London WC2A 3LY, UK.
4. Institute of Structural and Molecular Biology, Department of Biological Sciences, Birkbeck College, University of London, Malet Street, London WC1E 7HX, UK.
5. Division of Cancer Studies, King’s College London, Guy’s Hospital, London SE1 1UL, UK.