About the Authors

Wallace F. Marshall

wmarshall@biochem.ucsf.edu

Affiliation Department of Biochemistry and Biophysics, Integrative Program in Quantitative Biology, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WFM. Performed the experiments: WFM. Analyzed the data: WFM. Contributed reagents/materials/analysis tools: WFM. Wrote the paper: WFM. Constructed and analyzed mathematical model: WFM.