title: Nonheme iron as a cofactor in ribonucleotide reductase from E. coli.
mesh_terms: D001426:Bacterial Proteins; D002482:Cellulose; D002852:Chromatography, Ion Exchange; D003067:Coenzymes; D004926:Escherichia coli / Q000201:enzymology*; D007501:Iron; D009711:Nucleotides; D010088:Oxidoreductases; D013053:Spectrophotometry; D013440:Sulfides / Q000032:analysis
chemical_list: D001426:Bacterial Proteins; D003067:Coenzymes; D009711:Nucleotides; D013440:Sulfides; D002482:Cellulose; D007501:Iron; D010088:Oxidoreductases