1 Institute of Biochemistry, Biocenter, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany. Electronic address: sanchez@em.uni-frankfurt.de.
2 University of Oxford, Oxford, UK; University of Glasgow, Glasgow, UK. Electronic address: 2711498I@student.gla.ac.uk.
3 Department of Chemistry - BMC, Uppsala University, Uppsala, Sweden. Electronic address: leandro.simonetti@kemi.uu.se.