Ribonucleoside Diphosphate ReductaseRibonucleotide ReductasesDeoxycytidineEquilibrative Nucleoside Transporter 1Cytidine DiphosphatePeroxiredoxinsHydroxyureaTumor Suppressor ProteinsDeoxyribonucleotidesMolecular Sequence DataThiosemicarbazonesAmino Acid SequenceEscherichia coliProtein SubunitsBase SequenceFree RadicalsMacromolecular SubstancesRibonucleotidesKineticsElectron Spin Resonance SpectroscopyPhosphoribosylglycinamide FormyltransferaseMutationNitrate ReductasesCloning, MolecularDeoxyadenine NucleotidesRibulose-Bisphosphate CarboxylaseOxidoreductasesHydroxymethylglutaryl CoA ReductasesFMN ReductaseHydroxymethyl and Formyl TransferasesThioredoxin-Disulfide ReductaseSequence Homology, Amino AcidCobamidesBinding SitesRecombinant ProteinsIronOxidation-ReductionDeoxyguanine NucleotidesThioredoxinsDeoxycytosine NucleotidesModels, MolecularGlutaredoxinsGuanazoleSimplexvirusLactobacillus leichmanniiProtein BindingCytochrome-B(5) ReductaseSubstrate SpecificityProtein ConformationDeoxyribonucleosidesCytosine NucleotidesNitrite ReductasesDeoxyadenosinesThymine NucleotidesMolecular WeightAllosteric RegulationDNA ReplicationSaccharomyces cerevisiaeCell LineCatalysisBacterial Proteins