About the Authors

Christian H. Bell

Contributed equally to this work with: Christian H. Bell, Steven L. Porter

Affiliations Oxford Centre for Integrative Systems Biology, Department of Biochemistry, University of Oxford, Oxford, United Kingdom, Division of Structural Biology, University of Oxford, Oxford, United Kingdom

Steven L. Porter

Contributed equally to this work with: Christian H. Bell, Steven L. Porter

Address Current address: School of Biosciences, University of Exeter, Exeter, United Kingdom

Affiliation Oxford Centre for Integrative Systems Biology, Department of Biochemistry, University of Oxford, Oxford, United Kingdom

Annabel Strawson

Affiliation Oxford Centre for Integrative Systems Biology, Department of Biochemistry, University of Oxford, Oxford, United Kingdom

David I. Stuart

dave@strubi.ox.ac.uk (DIS); judith.armitage@bioch.ox.ac.uk (JPA)

Affiliation Division of Structural Biology, University of Oxford, Oxford, United Kingdom

Judith P. Armitage

dave@strubi.ox.ac.uk (DIS); judith.armitage@bioch.ox.ac.uk (JPA)

Affiliation Oxford Centre for Integrative Systems Biology, Department of Biochemistry, University of Oxford, Oxford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: SLP JPA. Analyzed the data: CHB SLP DIS. Wrote the paper: CHB SLP DIS JPA. Produced the constructs; crystallized the protein complexes and solved the structures; designed the CheY6 and CheY4 mutant proteins; carried out the SPR experiments: CHB. Designed the CheY6 and CheY4 mutant proteins; performed the phosphotransfer assays: SLP. Produced the constructs: AS.