About the Authors

Rhiannon K. Biddick

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

G. Lynn Law

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

Elton T. Young

To whom correspondence should be addressed. E-mail: ety@u.washington.edu

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EY GL RB. Performed the experiments: EY GL RB. Analyzed the data: EY GL RB. Contributed reagents/materials/analysis tools: GL RB. Wrote the paper: RB.