About the Authors

Xuekui Yu

Affiliations Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, Los Angeles, California, United States of America, California NanoSystems Institute, University of California Los Angeles, Los Angeles, California, United States of America

Lei Jin

Current address: Sanford-Burnham Medical Research Institute, San Diego, California, United States of America

Affiliations Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, Los Angeles, California, United States of America, California NanoSystems Institute, University of California Los Angeles, Los Angeles, California, United States of America

Jonathan Jih

Affiliations Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, Los Angeles, California, United States of America, California NanoSystems Institute, University of California Los Angeles, Los Angeles, California, United States of America

Chiaho Shih

Affiliation Institute of Biomedical Sciences (IBMS), Academia Sinica, Taipei, Taiwan

Z. Hong Zhou

Hong.Zhou@ucla.edu

Affiliations Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, Los Angeles, California, United States of America, California NanoSystems 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: ZHZ XY LJ. Performed the experiments: XY LJ. Analyzed the data: XY ZHZ. Wrote the manuscript: XY ZHZ. Built the atomic models: JJ XY. Interpreted the results: XY ZHZ CS.