1 Molecular Oncology Group, Cancer Research UK Manchester Institute, University of Manchester, Manchester, M20 4BX, UK.
2 Gene and Oncogene Targeting Team, CRUK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK.
3 Biological Mass Spectrometry Unit, Cancer Research UK Manchester Institute, University of Manchester, Manchester, M20 4BX, UK.
4 Gene and Oncogene Targeting Team, CRUK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK. caroline.springer@icr.ac.uk.
5 Molecular Oncology Group, Cancer Research UK Manchester Institute, University of Manchester, Manchester, M20 4BX, UK. richard.marais@cruk.manchester.ac.uk.