1. Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.
2. Institute of Bioinformatics, University of Georgia, Athens, GA 30602, USA.
3. Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA.
4. Biosciences Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK.
5. Centre for Proteome Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.