About the Authors

Hao Gong

Affiliation Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, California, United States of America

Gia-Phong Vu

Affiliation Program in Comparative Biochemistry, University of California, Berkeley, California, United States of America

Yong Bai

Affiliation Program in Comparative Biochemistry, University of California, Berkeley, California, United States of America

Elton Chan

Affiliation Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, California, United States of America

Ruobin Wu

Affiliation Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, California, United States of America

Edward Yang

Affiliation Program in Comparative Biochemistry, University of California, Berkeley, California, United States of America

Fenyong Liu

liu_fy@berkeley.edu (FL); sangwei@berkeley.edu (SL)

Affiliations Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, California, United States of America, Program in Comparative Biochemistry, University of California, Berkeley, California, United States of America

Sangwei Lu

liu_fy@berkeley.edu (FL); sangwei@berkeley.edu (SL)

Affiliations Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, California, United States of America, Program in Comparative Biochemistry, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FL SL HG. Performed the experiments: HG GV YB EC RW EY FL SL. Analyzed the data: HG GV YB FL SL. Contributed reagents/materials/analysis tools: HG GV YB EC RW. Wrote the paper: HG YB EY FL SL.