About the Authors

Anders Friberg

Contributed equally to this work with: Anders Friberg, Sybille Thumann

Current address: Bayer Pharma AG, Global Drug Discovery—Lead Discovery Berlin, Berlin, Germany

Affiliations Institute of Structural Biology, Helmholtz Zentrum München, National Research Center for Environmental Health, Neuherberg, Germany, Center for Integrated Protein Science Munich at Chair Biomolecular NMR Spectroscopy, Department Chemie, Technische Universität München, Garching, Germany

Sybille Thumann

Contributed equally to this work with: Anders Friberg, Sybille Thumann

Affiliation Department of Gene Vectors, Hematologikum, Helmholtz Zentrum München, National Research Center for Environmental Health, München, Germany

Janosch Hennig

Affiliations Institute of Structural Biology, Helmholtz Zentrum München, National Research Center for Environmental Health, Neuherberg, Germany, Center for Integrated Protein Science Munich at Chair Biomolecular NMR Spectroscopy, Department Chemie, Technische Universität München, Garching, Germany

Peijian Zou

Affiliations Institute of Structural Biology, Helmholtz Zentrum München, National Research Center for Environmental Health, Neuherberg, Germany, Center for Integrated Protein Science Munich at Chair Biomolecular NMR Spectroscopy, Department Chemie, Technische Universität München, Garching, Germany, Industrial Enzymes National Engineering Laboratory, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, China

Elfriede Nössner

Affiliation Institute of Molecular Immunology, Hematologikum, Helmholtz Zentrum München, National Research Center for Environmental Health, München, Germany

Paul D. Ling

Affiliation Department of Molecular Virology & Microbiology, Baylor College of Medicine, Houston, Texas, United States of America

Michael Sattler

sattler@helmholtz-muenchen.de (MS); kempkes@helmholtz-muenchen.de (BK)

Affiliations Institute of Structural Biology, Helmholtz Zentrum München, National Research Center for Environmental Health, Neuherberg, Germany, Center for Integrated Protein Science Munich at Chair Biomolecular NMR Spectroscopy, Department Chemie, Technische Universität München, Garching, Germany, Industrial Enzymes National Engineering Laboratory, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, China

Bettina Kempkes

sattler@helmholtz-muenchen.de (MS); kempkes@helmholtz-muenchen.de (BK)

Affiliation Department of Gene Vectors, Hematologikum, Helmholtz Zentrum München, National Research Center for Environmental Health, München, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AF ST JH MS BK. Performed the experiments: AF ST JH PZ EN. Analyzed the data: AF ST JH PZ EN MS BK. Contributed reagents/materials/analysis tools: EN PDL. Wrote the paper: AF ST JH PZ EN MS BK.