About the Authors

Anathe O. M. Patschull

Affiliation Department of Biological Sciences, Institute of Structural and Molecular Biology, Birkbeck, University of London, London, United Kingdom

Bibek Gooptu

Affiliation Department of Biological Sciences, Institute of Structural and Molecular Biology, Birkbeck, University of London, London, United Kingdom

Paul Ashford

Affiliation Department of Biological Sciences, Institute of Structural and Molecular Biology, Birkbeck, University of London, London, United Kingdom

Tina Daviter

Affiliations Department of Biological Sciences, Institute of Structural and Molecular Biology, Birkbeck, University of London, London, United Kingdom, ISMB Biophysics Centre, School of Science, Crystallography, Birkbeck, University of London, London, United Kingdom

Irene Nobeli

i.nobeli@mail.cryst.bbk.ac.uk

Affiliation Department of Biological Sciences, Institute of Structural and Molecular Biology, Birkbeck, University of London, London, United Kingdom

Competing Interests

Yes, the authors have the following competing interest. PA holds a studentship that is part-funded by Pfizer. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: IN BG AOMP. Performed the experiments: AOMP IN PA. Analyzed the data: IN BG AOMP PA TD. Contributed reagents/materials/analysis tools: IN BG. Wrote the paper: IN BG AOMP PA TD.