GuanineThyminePurinesAdeninePurine NucleotidesPurine NucleosidesPyrimidine NucleotidesPyrimidinesHypoxanthinesPyrimidine DimersPyrimidine NucleosidesHypoxanthinePentosyltransferasesBase SequenceBase PairingPurine-Nucleoside PhosphorylaseDNAPhosphoribosyl PyrophosphateNucleosidesInosineGuanine NucleotidesUracilThymine DNA GlycosylaseGuanosineCytosine DeaminaseAdenine NucleotidesNucleic Acid ConformationNucleobase Transport ProteinsRibosemonophosphatesDeoxyribonuclease (Pyrimidine Dimer)KineticsMolecular Sequence DataNucleotidesDeoxyadenosinesEscherichia coliGuanine Nucleotide Exchange FactorsHypoxanthine PhosphoribosyltransferaseOligonucleotidesMutation5-MethylcytosineSubstrate SpecificityUltraviolet RaysCytosineModels, MolecularDeaminationBase CompositionThymine NucleotidesN-Glycosyl HydrolasesDNA RepairCytidineDNA-Cytosine MethylasesOligodeoxyribonucleotidesBinding SitesStructure-Activity RelationshipUridineDNA GlycosylasesBromouracilPentoxylDeoxyribodipyrimidine Photo-LyaseThymidineOrotic AcidGuanine DeaminaseCytosine NucleotidesPyrimidine PhosphorylasesDeoxyribonucleosidesOsmium TetroxideEndodeoxyribonucleasesBase Pair MismatchDNA DamageGuanosine TriphosphateCytarabineAmino Acid SequenceNucleoside DeaminasesThermodynamics2-AminopurineOrotate PhosphoribosyltransferaseDeoxyuridineHydrogen BondingDNA, BacterialRibonucleosidesPurine-Pyrimidine Metabolism, Inborn ErrorsDeoxyguanosineSulfitesDNA MethylationFlucytosineAdenosineDihydroorotaseMolecular StructureUracil NucleotidesMethylationNucleic Acid DenaturationAdenosine TriphosphateInosine MonophosphateUridine PhosphorylaseDNA ReplicationPotassium PermanganateMagnetic Resonance SpectroscopyCell LineAspartate CarbamoyltransferaseRibonucleotides