About the Authors

Justin J Donato

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

Shau Chee C Chung

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

Bik K Tye

To whom correspondence should be addressed. E-mail: bt16@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

JJD and BKT conceived and designed the experiments. JJD performed the experiments with the help of SCCC, who carried out the mcm assays. JJD and BKT analyzed the data. JJD and BKT wrote the paper.