About the Authors

Pier Federico Gherardini

Affiliation Centre for Molecular Bioinformatics, Department of Biology, University of Rome “Tor Vergata”, Rome, Italy

Gabriele Ausiello

gabriele.ausiello@uniroma2.it

Affiliation Centre for Molecular Bioinformatics, Department of Biology, University of Rome “Tor Vergata”, Rome, Italy

Manuela Helmer-Citterich

Affiliation Centre for Molecular Bioinformatics, Department of Biology, University of Rome “Tor Vergata”, Rome, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PFG GA MHC. Performed the experiments: PFG. Analyzed the data: PFG. Wrote the paper: PFG.