1. School of Chemistry and CRANN/AMBER Nanoscience Institute; Trinity College Dublin; The University of Dublin; College Green Dublin 2 Ireland
2. Department of Chemistry and Center for Metals in Biocatalysis; University of Minnesota; 207 Pleasant St. SE Minneapolis MN 55455 USA
3. Case Western Reserve University Center for Synchrotron Biosciences; National Synchrotron Light Source II, Brookhaven National Laboratory; Upton NY 11973 USA