About the Authors

Gongpu Zhao

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Danxia Ke

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Thomas Vu

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Jinwoo Ahn

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Vaibhav B. Shah

Affiliation Department of Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

Ruifeng Yang

Affiliation Department of Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

Christopher Aiken

Affiliation Department of Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

Lisa M. Charlton

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Angela M. Gronenborn

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Peijun Zhang

pez7@pitt.edu

Affiliation Department of Structural Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GZ CA AMG PZ. Performed the experiments: GZ DK JA TV VBS RY. Analyzed the data: GZ DK JA VBS CA PZ. Contributed reagents/materials/analysis tools: GZ DK TV JA LMC CA PZ. Wrote the paper: GZ DK JA CA AMG PZ.