Structure of the yeast ribonucleotide reductase Y2Y4 heterodimer.
Voegtli, W.C., Ge, J., Perlstein, D.L., Stubbe, J., Rosenzweig, A.C.(2001) Proc.Natl.Acad.Sci.USA 98: 10073-10078
- PubMed: 11526233 
- DOI: 10.1073/pnas.181336398
- PubMed Abstract: 
The R2 subunits of class I ribonucleotide reductases (RNRs) house a diferric-tyrosyl radical (Y*) cofactor essential for DNA synthesis. In yeast, there are two R2 proteins, Y2 and Y4. Although both Y2 and Y4 are homologous to R2s from other organisms ...