About the Authors

Peter L Houston, James R Broach
Department of Molecular Biology, Princeton University, Princeton, New Jersey, United States of America

Corresponding Author

jbroach@princeton.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

PLH and JRB conceived and designed the experiments. PLH performed the experiments. PLH analyzed the data. PLH and JRB wrote the paper.