title: Ribonucleotide reductase: a structural study of the dimeric iron site.
mesh_terms: D001665:Binding Sites; D002412:Cations; D004926:Escherichia coli / Q000201:enzymology; D007501:Iron / Q000032:analysis*; D008024:Ligands; D046911:Macromolecular Substances; D011485:Protein Binding; D011487:Protein Conformation; D012264:Ribonucleotide Reductases; D013053:Spectrophotometry; D013059:Spectrum Analysis, Raman
chemical_list: D002412:Cations; D008024:Ligands; D046911:Macromolecular Substances; D007501:Iron; D012264:Ribonucleotide Reductases