About the Authors

Nikita Chopra

Affiliation Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa, United States of America

Thomas E. Wales

Affiliation Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts, United States of America

Raji E. Joseph

Affiliation Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa, United States of America

Scott E. Boyken

Affiliation Department of Biochemistry, University of Washington, Seattle, Washington, United States of America

John R. Engen

Affiliation Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts, United States of America

Robert L. Jernigan

Affiliation Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa, United States of America

Amy H. Andreotti

amyand@iastate.edu

Affiliation Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AHA JRE TEW RLJ NC. Performed the experiments: NC TEW REJ. Analyzed the data: NC TEW AHA RLJ JRE REJ. Contributed reagents/materials/analysis tools: SEB REJ. Wrote the paper: NC AHA SEB RLJ TEW.