About the Authors
Department of Biological Chemistry and Molecular Modelling, IQAC-CSIC, Barcelona, Spain
Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: EM RC IB. Performed the experiments: EM. Analyzed the data: EM RC IB. Contributed reagents/materials/analysis tools: EM RC IB. Wrote the paper: EM RC IB.