About the Authors

Beiwen Zheng

Affiliations CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, College of Life Sciences, Graduate University, Chinese Academy of Sciences, Beijing, China

Qiangmin Zhang

Affiliation CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

Jia Gao

Affiliations CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, The Key Laboratory of Ministry of Education for Microbial and Plant Genetic Engineering, Guangxi University, Nanning, Guangxi, China

Huiming Han

Affiliations CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, College of Life Sciences, Graduate University, Chinese Academy of Sciences, Beijing, China

Ming Li

Affiliation CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

Jingren Zhang

Affiliation School of Medicine, Tsinghua University, Beijing, China

Jianxun Qi

Affiliation CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

Jinghua Yan

Affiliation CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

George F. Gao

gaof@im.ac.cn

Affiliations CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, College of Life Sciences, Graduate University, Chinese Academy of Sciences, Beijing, China, Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BZ HH JZ JY GFG. Performed the experiments: BZ. Analyzed the data: BZ JZ JY GFG. Wrote the paper: BZ GFG. Solved the crystal structure of SsTroA: QZ JQ. Performed protein purification, ITC and NMR experiments: JG. Analyzed CD data: HH. Performed EPR experiments and analyzed corresponding results: ML.