1. School of ChemistryTrinity College DublinThe University of Dublin College Green Dublin 2 Ireland
2. Department of Chemistry and Centre for Metals in BiocatalysisUniversity of Minnesota 207 Pleasant St. SE Minneapolis MN 55455 USA
3. Case Western Reserve University Centre for Synchrotron BiosciencesNational Synchrotron Light Source IIBrookhaven National Laboratory Upton NY 11973 USA