Fig. 3
(Adapted with permission from ref [82]. Copyright 2013, ACS publications. c Adapted with permission from ref [87]. Copyright 2018, ACS publications)
Ribonucleotide reductase class Ib, Ic and may be Id. a X-ray crystallographic structure of \({\text{Mn}}_{2}^{\text{II}}\)-NrdF cofactor. Adapted with permission from ref [23]. Copyright 2014, AAAS the science society publications. b X-ray crystallographic structure MnIIFeII cofactor