About the Authors

Christopher L. Reyes

Current address: Biogen Idec, San Diego, California, United States of America

Affiliation Graduate Group in Biophysics, Department of Biochemistry and Biophysics, University of California at San Francisco, San Francisco, California, United States of America

Earl Rutenber

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

Peter Walter

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

Robert M. Stroud

To whom correspondence should be addressed. E-mail: stroud@msg.ucsf.edu

Affiliation Department of Biochemistry and Biophysics, University of California at 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: RS ER PW CR. Performed the experiments: ER CR. Analyzed the data: RS ER PW CR. Contributed reagents/materials/analysis tools: RS ER PW CR. Wrote the paper: RS PW CR.