About the Authors

Christopher V Rao

Affiliation Department of Bioengineering, University of California, Berkeley, California, United States of America

John R Kirby

Affiliation School of Biology, Georgia Institute of Technology, Atlanta, Georgia, United States of America

Adam P Arkin

To whom correspondence should be addressed. E-mail: aparkin@lbl.gov

Affiliation Department of Bioengineering, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no conflicts of interest exist.

Author Contributions

CVR, JRK, and APA conceived and designed the experiments. CVR performed the experiments. CVR and JRK analyzed the data. CVR and APA contributed reagents/materials/analysis tools. CVR wrote the paper.