About the Authors

Michael D. L. Suits

Affiliation York Structural Biology Laboratory, Department of Chemistry, University of York, York, United Kingdom

Yanping Zhu

Affiliations Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, United States of America, Institute for Cell and Molecular Biosciences, The Medical School, Newcastle University, Newcastle Upon Tyne, United Kingdom

Edward J. Taylor

Affiliation York Structural Biology Laboratory, Department of Chemistry, University of York, York, United Kingdom

Julia Walton

Affiliation York Structural Biology Laboratory, Department of Chemistry, University of York, York, United Kingdom

David L. Zechel

Affiliation Departments of Chemistry, Queen's University, Kingston, Canada

Harry J. Gilbert

Affiliations Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, United States of America, Institute for Cell and Molecular Biosciences, The Medical School, Newcastle University, Newcastle Upon Tyne, United Kingdom

Gideon J. Davies

davies@ysbl.york.ac.uk

Affiliation York Structural Biology Laboratory, Department of Chemistry, University of York, York, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MDLS HJG GJD. Performed the experiments: MDLS YZ EJT JW DLZ HJG GJD. Analyzed the data: MDLS YZ HJG GJD. Contributed reagents/materials/analysis tools: MDLS DLZ HJG GJD. Wrote the paper: MDLS HJG GJD.