About the Authors

Bosco K. Ho

boscoh@gmail.com

Affiliation Howard Hughes Medical Institute and the Department of Biophysics and Biochemistry, University of California San Francisco, San Francisco, California, United States of America

David A. Agard

Affiliation Howard Hughes Medical Institute and the Department of Biophysics and Biochemistry, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BKH DAA. Performed the experiments: BKH. Analyzed the data: BKH. Wrote the paper: BKH DAA.