About the Authors

Petra Langerak

Affiliation Department of Molecular Biology, The Scripps Research Institute, La Jolla, California, United States of America

Eva Mejia-Ramirez

Affiliation Department of Molecular Biology, The Scripps Research Institute, La Jolla, California, United States of America

Oliver Limbo

Affiliation Department of Molecular Biology, The Scripps Research Institute, La Jolla, California, United States of America

Paul Russell

prussell@scripps.edu

Affiliation Department of Molecular Biology, The Scripps Research Institute, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PL EM-R. Performed the experiments: PL EM-R OL. Analyzed the data: PL EM-R OL. Contributed reagents/materials/analysis tools: PL EM-R OL. Wrote the paper: PL PR.