About the Authors
- Jonathan J Ward, Janet M Thornton
- European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, United Kingdom
- Jonathan J Ward
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
The authors have declared that no competing interests exist.
JJW and JMT conceived and designed the experiments and wrote the paper. JJW performed the experiments, analyzed the data, and contributed reagents/materials/analysis tools.