title: The active site of ribonucleoside diphosphate reductase.
mesh_terms: D001386:Azides / Q000494:pharmacology; D001665:Binding Sites; D003841:Deoxycytidine / Q000031:analogs & derivatives / Q000494:pharmacology; D003857:Deoxyuridine / Q000031:analogs & derivatives / Q000494:pharmacology; D008970:Molecular Weight; D012262:Ribonucleoside Diphosphate Reductase / Q000037:antagonists & inhibitors; D012264:Ribonucleotide Reductases / Q000037:antagonists & inhibitors
chemical_list: D001386:Azides; D003841:Deoxycytidine; D012264:Ribonucleotide Reductases; D012262:Ribonucleoside Diphosphate Reductase; D003857:Deoxyuridine