title: Altered ribonucleotide reductase obtained by in vitro mutagenesis of cloned Escherichia coli DNA.
mesh_terms: D002999:Clone Cells / Q000201:enzymology; D004261:DNA Replication; D004926:Escherichia coli / Q000201:enzymology*; D009154:Mutation; D012264:Ribonucleotide Reductases / Q000235:genetics*
chemical_list: D012264:Ribonucleotide Reductases