Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk|Division of Molecular Biosciences, Faculty of Natural Sciences, Centre for Bioinformatics, Imperial College, London, UK. g.barton@imperial.ac.uk