6CWQ:
reference: Structural Basis for Superoxide Activation of Flavobacterium johnsoniae Class I Ribonucleotide Reductase and for Radical Initiation by Its Dimanganese Cofactor., Rose HR, Ghosh MK, Maggiolo AO, Pollock CJ, Blaesi EJ, Hajj V, Wei Y, Rajakovich LJ, Chang WC, Han Y, Hajj M, Krebs C, Silakov A, Pandelia ME, Bollinger JM Jr., Boal AK, Biochemistry. 2018 Apr 17. doi: 10.1021/acs.biochem.8b00247. PMID: 29609464

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