School of Chemistry, University of Southampton, Highfield, Southampton, United Kingdom, Bioinformatics Institute (A*STAR), Singapore.|School of Chemistry, University of Southampton, Highfield, Southampton, United Kingdom.|School of Chemistry, University of Southampton, Highfield, Southampton, United Kingdom.|School of Biochemistry, Bristol, United Kingdom.|Bioinformatics Institute (A*STAR), Singapore, Department of Biological Sciences, National University of Singapore, Singapore.|School of Chemistry, University of Southampton, Highfield, Southampton, United Kingdom.