1. Centre for Molecular and Structural Biochemistry, School of Chemistry, University of East Anglia, Norwich NR4 7TJ, UK
2. Metalloproteins Unit, Institut de Biologie Structurale, Univ. Grenoble Alpes, CEA, CNRS, 38000 Grenoble, France
3. School of Biosciences, University of Sheffield, Sheffield S10 2TN, UK