title: Ribonucleotide reductase--a radical enzyme.
mesh_terms: D000818:Animals; D004247:DNA / Q000096:biosynthesis; D003854:Deoxyribonucleotides / Q000378:metabolism; D004578:Electron Spin Resonance Spectroscopy; D004926:Escherichia coli / Q000201:enzymology; D005609:Free Radicals; D006918:Hydroxyurea / Q000378:metabolism; D007501:Iron; D010084:Oxidation-Reduction; D012264:Ribonucleotide Reductases / Q000378:metabolism*; D012265:Ribonucleotides / Q000378:metabolism; D014443:Tyrosine
chemical_list: D003854:Deoxyribonucleotides; D005609:Free Radicals; D012265:Ribonucleotides; D014443:Tyrosine; D004247:DNA; D007501:Iron; D012264:Ribonucleotide Reductases; D006918:Hydroxyurea