About the Authors

Zhihong Zhang, Vishal I. Kottadiel, Li Dai, Venigalla B. Rao
Department of Biology, The Catholic University of America, Washington, District of Columbia, United States of America

Reza Vafabakhsh, Yann R. Chemla, Taekjip Ha
Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America

Taekjip Ha
Howard Hughes Medical Institute, Urbana, Illinois, United States of America

Corresponding Author

rao@cua.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: VBR. Performed the experiments: ZZ VIK RV LD. Analyzed the data: ZZ VIK RV LD YRC TH VBR. Wrote the paper: ZZ VIK RV TH VBR.