About the Authors

Paola V. Castro

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Shilpi Khare

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Brian D. Young

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Steven G. Clarke

clarke@mbi.ucla.edu

Affiliation Department of Chemistry and Biochemistry and the Molecular Biology Institute, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PVC SK BDY SGC. Performed the experiments: PVC BDY. Analyzed the data: PVC SK BDY SGC. Wrote the paper: PVC SK BDY SGC.