University of Glasgow - Institute of Molecular, Cell and Systems Biology, Ludwig Maximilian University of Munich (LMU), University of Edinburgh, Ludwig Maximilian University of Munich (LMU) - Protein Analysis Unit, University of Edinburgh, University of Edinburgh, University of Wisconsin - Oshkosh, University of Wisconsin - Oshkosh, Ludwig Maximilian University of Munich (LMU) - Protein Analysis Unit and University of Edinburgh - Wellcome Centre for Cell Biology