About the Authors

Ling Liu

Affiliation Institute for Molecular Virology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

William M. Westler

Affiliations National Magnetic Resonance Facility, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Johan A. den Boon

Affiliation Institute for Molecular Virology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Xiaofeng Wang

Affiliation Institute for Molecular Virology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Arturo Diaz

Affiliation Institute for Molecular Virology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

H. Adam Steinberg

Affiliation Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Paul Ahlquist

ahlquist@wisc.edu

Affiliations Institute for Molecular Virology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, Howard Hughes Medical Institute, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LL WMW JAdB XW AD PA. Performed the experiments: LL WMW XW. Analyzed the data: LL WMW JAdB XW AD HAS PA. Contributed reagents/materials/analysis tools: LL WMW AD HAS PA. Wrote the paper: LL WMW JAdB PA.