About the Authors

Jennifer C. Tsai

Affiliation Department of Molecular Biology, University of California at San Diego, La Jolla, California, United States of America

Ming-Ren Yen

Affiliation Department of Molecular Biology, University of California at San Diego, La Jolla, California, United States of America

Rostislav Castillo

Affiliation Department of Molecular Biology, University of California at San Diego, La Jolla, California, United States of America

Denisse L. Leyton

Affiliation The School of Immunity and Infection, University of Birmingham, Edgbaston, Birmingham, United Kingdom

Ian R. Henderson

Affiliation The School of Immunity and Infection, University of Birmingham, Edgbaston, Birmingham, United Kingdom

Milton H. Saier Jr

msaier@ucsd.edu

Affiliation Department of Molecular Biology, University of California at San Diego, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: JCT MRY RC DLL IRH. Analyzed the data: JCT MRY RC DLL IRH. Wrote the paper: MHS.