About the Authors

Brian V. Tsu

Affiliation Department of Molecular Biology, Division of Biological Sciences, University of California at San Diego, La Jolla, California, United States of America

Milton H. Saier Jr

msaier@ucsd.edu

Affiliation Department of Molecular Biology, Division of Biological Sciences, University of California at San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BVT MHS. Performed the experiments: BVT. Analyzed the data: BVT MHS. Contributed reagents/materials/analysis tools: BVT MHS. Wrote the paper: BVT MHS.