title: Ribonucleotide reductase from Thermus X-1, a thermophilic organism.
mesh_terms: D000255:Adenosine Triphosphate; D000429:Alcohol Oxidoreductases / Q000302:isolation & purification; D001419:Bacteria / Q000201:enzymology* / Q000254:growth & development; D002384:Catalysis; D002413:Cations, Divalent; D002474:Cell-Free System; D003038:Cobamides; D003597:Cytosine Nucleotides; D003839:Deoxyadenosines; D003854:Deoxyribonucleotides; D004355:Drug Stability; D004789:Enzyme Activation; D006160:Guanosine Triphosphate; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008970:Molecular Weight; D012265:Ribonucleotides; D013329:Structure-Activity Relationship; D013438:Sulfhydryl Compounds; D013696:Temperature; D014316:Tritium
chemical_list: D002413:Cations, Divalent; D003038:Cobamides; D003597:Cytosine Nucleotides; D003839:Deoxyadenosines; D003854:Deoxyribonucleotides; D012265:Ribonucleotides; D013438:Sulfhydryl Compounds; D014316:Tritium; D006160:Guanosine Triphosphate; D000255:Adenosine Triphosphate; D000429:Alcohol Oxidoreductases