About the Authors

Ursula Neu

Contributed equally to this work with: Ursula Neu, Stacy-ann A. Allen

Current address: National Institute of Medical Research, The Ridgeway, Mill Hill, London, United Kingdom.

Affiliation Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany

Stacy-ann A. Allen

Contributed equally to this work with: Ursula Neu, Stacy-ann A. Allen

Affiliation Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, Rhode Island, United States of America

Bärbel S. Blaum

Affiliations Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany, Department of Chemistry, University of Luebeck, Luebeck, Germany

Yan Liu

Affiliation Glycosciences Laboratory, Faculty of Medicine, Imperial College London, London, United Kingdom

Martin Frank

Affiliation Biognos AB, Gothenburg, Sweden

Angelina S. Palma

Current address: REQUIMTE, CQFB, Faculty of Science and Technology /UNL, Caparica, Portugal.

Affiliation Glycosciences Laboratory, Faculty of Medicine, Imperial College London, London, United Kingdom

Luisa J. Ströh

Affiliation Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany

Ten Feizi

Affiliation Glycosciences Laboratory, Faculty of Medicine, Imperial College London, London, United Kingdom

Thomas Peters

Affiliation Department of Chemistry, University of Luebeck, Luebeck, Germany

Walter J. Atwood

walter_atwood@brown.edu (WJA); thilo.stehle@uni-tuebingen.de (TS)

Affiliation Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, Rhode Island, United States of America

Thilo Stehle

walter_atwood@brown.edu (WJA); thilo.stehle@uni-tuebingen.de (TS)

Affiliations Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany, Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

Competing Interests

The authors have declared that no competing interests exist. Dr. Martin Frank is employed by a company, Biognos AB in Gothenburg, Sweden. He declares that he does not have any financial, non-financial, professional or personal competing interests. His employment does not alter his and the other authors' adherence to all the PLOS PLoS Pathogens policies on sharing data and materials (as outlined in the guide for authors).

Author Contributions

Conceived and designed the experiments: UN SAA BSB YL MF ASP TF WJA TS. Performed the experiments: UN SAA BSB YL MF ASP LJS. Analyzed the data: UN SAA BSB YL MF ASP LJS TF TP WJA TS. Wrote the paper: UN SAA BSB YL MF ASP TF WJA TS.