About the Authors

Bärbel Kaufmann

Affiliation Department of Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America

Paul R. Chipman

Affiliation Department of Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America

Heather A. Holdaway

Affiliation Department of Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America

Syd Johnson

Affiliation MacroGenics Inc., Rockville, Maryland, United States of America

Daved H. Fremont

Affiliations Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, United States of America, Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, Missouri, United States of America

Richard J. Kuhn

Affiliation Department of Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America

Michael S. Diamond

Affiliations Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, United States of America, Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, United States of America, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America

Michael G. Rossmann

mr@purdue.edu

Affiliation Department of Biological Sciences, Purdue University, West Lafayette, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BK MGR. Performed the experiments: BK PRC HAH. Analyzed the data: BK RJK MSD MGR. Contributed reagents/materials/analysis tools: SJ DHF MSD. Wrote the paper: BK RJK MSD MGR.