About the Authors

Michael J. Guertin

Affiliation Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America

John T. Lis

johnlis@cornell.edu

Affiliation Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJG JTL. Performed the experiments: MJG. Analyzed the data: MJG. Wrote the paper: MJG JTL.