Variable coordination geometries at the diiron(II) active site of ribonucleotide reductase R2.
Voegtli, W.C., Sommerhalter, M., Saleh, L., Baldwin, J., Bollinger Jr., J.M., Rosenzweig, A.C.(2003) J.Am.Chem.Soc. 125: 15822-15830
- PubMed: 14677973 
- DOI: 10.1021/ja0370387
- Primary Citation of Related Structures:  
- PubMed Abstract: 
The R2 subunit of Escherichia coli ribonucleotide reductase contains a dinuclear iron center that generates a catalytically essential stable tyrosyl radical by one electron oxidation of a nearby tyrosine residue. After acquisition of Fe(II) ions by t ...